Bitcoin Forum

Alternate cryptocurrencies => Altcoin Discussion => Topic started by: Gavin Andresen on September 09, 2011, 01:21:18 PM



Title: Alternative Block Chains : be safe!
Post by: Gavin Andresen on September 09, 2011, 01:21:18 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.



Title: Re: Alternative Block Chains : be safe!
Post by: Lolcust on September 09, 2011, 01:48:36 PM
Thank you Gavin.

The only things I might add is that "use a different password" isn't limited to exchanges, but applies to forums, emails, and even pools ;) , and that some antivirus heuristics seem to hate anything that has mining code in it and isn't explicitly whitelisted.


Title: Re: Alternative Block Chains : be safe!
Post by: makomk on September 09, 2011, 02:08:16 PM
Also, don't believe everything that prominent members of the Bitcoin community have to say about alternative chains. In particular, I know some people think that the number of confirmations doesn't matter and all that matters is the total expected time of the confirmations, so that 1 10-minute-average confirmation is more secure than 3 3-minute-average confirmations. If you read Satoshi's paper it's clear this isn't true; the number of confirmations is actually more important because transaction security increases exponentially with more confirmations. (His paper has approximate figures; you'll notice that accepting 1 and 2-confirmation transactions is fairly risky.)


Title: Re: Alternative Block Chains : be safe!
Post by: bitlotto on September 09, 2011, 02:32:36 PM
Good advice.

Using an alternate cryptocurrency client would be a great way to get many people to install a hidden virus that targets Bitcoin users.

If you have a significant amount of Bitcoins, I wouldn't run other clients on the same computer until the alternates have developed trust over a longer period of time... I'm probably on the paranoid side of things though.

These new cryptocurrencies are interesting, and it will be fascinating to see how it will all play out. 


Title: Re: Alternative Block Chains : be safe!
Post by: Lolcust on September 09, 2011, 05:04:08 PM
Generally, if you have a large amount of bitcoins on a given PC, being extra-cautious about third party software (be it an Alt-coin client or a particularly fancy casual game) is advisable.


Title: Re: Alternative Block Chains : be safe!
Post by: smoothie on September 09, 2011, 05:49:02 PM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.


Title: Re: Alternative Block Chains : be safe!
Post by: Lolcust on September 09, 2011, 06:02:15 PM
You can have more than one wallet dat.

You just need 1 portable bitcoin client that can safely reside on an encrypted and backed up volume, and one regular one for day to day tiny stuff. It's not like you routinely send 5000+ BTC, no?

Incidentally, cobbling together a somewhat workable portable bitcoin is pretty straightforward.


Title: Re: Alternative Block Chains : be safe!
Post by: Lolcust on September 11, 2011, 07:06:19 PM

I would say you nailed this one bullseye with one shot. I think your real concern isn't our "safety" it's yours. Sooner or later one of these alt-chains are going to replace Bitcoin if Bitcoin doesn't do some seriously needed updating and improvements.

You know it, I know it and so does everyone else.

Sometimes the truth isn't all warm and fuzzy, sometimes it's just plain brutal.

I'd like to point out that there is no particular reason why several chains with different properties can't coexist.

For instance, there could be one well-established, reliable chain with only the most needed, most tested and most secure features, and a [pimp] fast-blocked, permanently experimental (sorta like TOR is always experimental forever  ) feature-rich one [/pimp] ;), as well as dedicated-purpose chains like Namecoin and such.
Also, coins with different degrees of "necessary centralization" might exist, with userbase preference being driven by how comfortable they are with a given net's distribution of "powers that be"

Bitcoin, due to its prominence, has become "serious business". That necessitates a very conservative approach to development.

[pimp]That's why I started a fork with a more lighthearted approach to ... pretty much everything [/pimp] ;)


Title: Re: Alternative Block Chains : be safe!
Post by: mrb on September 12, 2011, 09:55:02 AM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.

People with only one computer can still securely isolate different wallets & apps from each other by using privilege separation. For example on Linux, run bitcoin/namecoin/i0coin/etc under separate user accounts, and chmod 700 their home directories.


Title: Re: Alternative Block Chains : be safe!
Post by: Lolcust on September 12, 2011, 07:21:21 PM
Um, with all due respect, Artforz did not burn anyone's house down with lemons, and his actions have inflicted far less damage upon SolidCoin's credibility than CH's, let's say, questionable public relations escapades.


Title: Re: Alternative Block Chains : be safe!
Post by: Lolcust on September 12, 2011, 08:00:01 PM
It has long since become a tradition to only patch stuff up when an actual attack emerges, hence leading to emergence of a tradition to demonstrate the "seriousness" of attack.

While I personally would rather follow a different approach, this state of affairs is by no means limited to Bitcoin community or even IT in general, and is here to stay.


Title: Re: Alternative Block Chains : be safe!
Post by: GideonGono on September 12, 2011, 09:47:14 PM
I strongly agree. That's partly why I haven't messed with the alt chains. I even mentioned this on the announcement thread for lxcoin but it got drowned out with all the excitement about it.


Title: Re: Alternative Block Chains : be safe!
Post by: Lolcust on September 13, 2011, 09:51:56 AM
I'd like to remind everyone that Gavin, with all due respect, is not an angry   deity and can neither drown people he vaguely disapproves of nor feed them to the lo(l)custs.


Title: Re: Alternative Block Chains : be safe!
Post by: zillagod on September 13, 2011, 08:07:59 PM
It has long since become a tradition to only patch stuff up when an actual attack emerges, hence leading to emergence of a tradition to demonstrate the "seriousness" of attack.

Yeah, especially when someone (CH/RS) dares you to go ahead and do it...



Title: Re: Alternative Block Chains : be safe!
Post by: Lolcust on September 13, 2011, 09:55:58 PM
One would think that someone who even tries to code knows to rather not say such things to programmers, lol :)


Title: Re: Alternative Block Chains : be safe!
Post by: kano on September 14, 2011, 03:40:17 AM
...
Why not instead of making posts like this you take some adult leadership initiative and start cleaning up the toxic community that you are allowing to fester out here?  From your passive support through inaction of attacks on alt chains and now it is growing even wider.  You claim to have a thick skin as that is what it takes to lead projects like this, well it also takes a back bone.  You know as well as many of the people here that the alt coins provide much more to learn by being viable than having the community out attacking them.  Grow a pair and speak up, if there is one thing that will kill Bitcoin it is you and this community.  You have yet to condemn the attackers and you have yet to reign in the toxic community growing around Bitcoin, I surely hope your goals are not too see the whole project Blighted?  What would you think if you were a first time noob and came to see all this going on?  At some point people are going to start wondering if a gimpy blind retarded monkey could do a better job leading this project, why don't you start getting involved in the community, take a stance and be a leader, surround yourself with the right people to develop cryptocurrency and help foster an environment that will bring respectable businesses and users into the system.  At some point a leader has to step away from the technical details and stand up and be a leader.
LOL it's an open source project - there are no 'leaders' as you describe them.
No one can force anyone to do anything.

It's not some toxic community that you can clean up and you can't stop people from attacking the chains - though anyone with half an inkling of sense would realise that you can't stop that even in the closed source world :P

Try some adult thought beyond a gimpy lack of understanding of reality :)


Title: Re: Alternative Block Chains : be safe!
Post by: DavinciJ15 on September 14, 2011, 09:56:14 PM
Although I don't think the fiasco with Namecoin is over and I do believe we have made it hard for BitcoinExpress.  With that said I looked into the block chain rewrite this is real and can be done while lagitamitly mining bitcoins.  This exploit is quite scary for Bitcoins as a person with 20% of the hash rate can write the block chain.

The good news is it can be fixed and Namecoin is a test of such fixes.

I would STRONGLY suggest you look into this Gavin.


Title: Re: Alternative Block Chains : be safe!
Post by: Gavin Andresen on September 14, 2011, 10:49:14 PM
I would STRONGLY suggest you look into this Gavin.

Relevant discussion on the bitcoin-dev mailing list is here:
  http://sourceforge.net/mailarchive/message.php?msg_id=28082081


Title: Re: Alternative Block Chains : be safe!
Post by: grod on October 02, 2011, 08:29:22 PM
It's hard enough to get the half-baked alt chain software to run at all (and speed is of the essence knowing they are all quickly collapsing pyramids) never mind configuring a VM with appropriate hardware access.  Here are steps I've taken which I think are "good enough" to be advice -- it's worked for me for 4 shitcoin chains so far.

1.  Don't use Windows and pre-built .exes.  Just don't.  Ever.  Nothing inherently wrong with Microsoft software, but it is well understood and commonly used by the botnet types.  Staying out of the monoculture is a form of security by obscurity.
2.  Create a new account with no group membership.  I call mine "goatse" for obvious but nostalgic reasons.  Make absolutely sure that account doesn't have read or write access outside of their home directory.   Make doubly sure they can't read the raw hard drive device.
3.  Log out of your main account and into that account whenever compiling or running the alt chain software.  Remember that compilation & installation scripts are code!
4.  Do not browse exchange sites you have coinage in and definitely do not save passwords in the browser when logged in as this account.
5.  If you log into this account via ssh DO NOT enable X proxying.  It's trivial to read your keystrokes, do screen captures, etc when X is proxied.  Let me repeat this one, make sure X proxying is disabled.  If you can type 'xterm' and see it show up on your main account's screen you're vulnerable. 

And yes, I even follow this for official bitcoin software.  On a different account than "goatse" of course.



Title: Re: Alternative Block Chains : be safe!
Post by: Lolcust on October 02, 2011, 08:39:50 PM
Was there a documented case of malware propagation via this route, or is this more or less a "what if..." Infosec Comparative E-Masculinity thing :D ?


Title: Re: Alternative Block Chains : be safe!
Post by: grod on October 02, 2011, 08:45:14 PM
http://en.wikipedia.org/wiki/Trojan_horse_%28computing%29

Software trojans are definitely not a myth.  Has there been a bitcoin related one yet?  Absolutely!  I forget the name, but there was some wallet stealer Windows .exe that promised vastly higher hash rates.   It uploaded wallets to an FTP site instead.


Title: Re: Alternative Block Chains : be safe!
Post by: Lolcust on October 02, 2011, 08:49:25 PM
http://en.wikipedia.org/wiki/Trojan_horse_%28computing%29

Software trojans are definitely not a myth.  Has there been a bitcoin related one yet?  Absolutely!  I forget the name, but there was some wallet stealer Windows .exe that promised vastly higher hash rates.   It uploaded wallets to an FTP site instead.


No, I mean a documented case of malware propagating through distribution of alt-chains specifically ?


Title: Re: Alternative Block Chains : be safe!
Post by: grod on October 02, 2011, 08:53:33 PM
AFAIK, the closest we have is that fake miner.  If you think of it as mining a bogus, non-existent vapor coin chain then yes, it qualifies.

If a technological feat is possible, man will do it. Almost as if it's wired into the core of our being.  And an alt chain mining trojan feat is not just possible but borderline trivial.  Not having happened in the 4 or 5 alt chains so far is just pure luck.





Title: Re: Alternative Block Chains : be safe!
Post by: Lolcust on October 02, 2011, 08:57:15 PM
If a technological feat is possible, man will do it.  Almost as if it's wired into the core of our being.

touche :D

I like your style.

And an alt chain mining trojan feat is not just possible but borderline trivial.  Not having happened in the 4 or 5 alt chains so far is just pure luck.

Nah, more like this entire funny hobby of making funny alt chains  is just a really small hobby which srz bzns hackers just overlook.


Title: Re: Alternative Block Chains : be safe!
Post by: grod on October 02, 2011, 09:08:16 PM
Are you sure about that?  What's a network of a few thousand high end machines with great network connectivity, on 24x7, insensitive to CPU or GPU load worth?  Doubly so with some having the keys to a few hundred to a few thousand dollars of electronic currency?

I'd say quite a bit.  It's only a matter of time -- if a big enough % of the bitcoin community is willing to download and run windows exes for every alt currency that comes along all you need is a hijacked forum account of a regular to pull it off.



Title: Re: Alternative Block Chains : be safe!
Post by: Lolcust on October 02, 2011, 09:12:28 PM
Mayhaps, mayhaps.


Title: Re: Alternative Block Chains : be safe!
Post by: P4man on October 02, 2011, 09:21:48 PM
Some people only have one computer and that must suck.

Fortunately a few decades ago they invented virtual machines. Now anyone can have as many computers and OSs as he likes :)


Title: Re: Alternative Block Chains : be safe!
Post by: d.james on October 02, 2011, 11:10:27 PM
vmware is so hard to use :(


Title: Re: Alternative Block Chains : be safe!
Post by: DavinciJ15 on October 02, 2011, 11:45:08 PM
vmware is so hard to use :(

No it's not it's the easiest product unless you are talking about VSphere.


Title: Re: Alternative Block Chains : be safe!
Post by: P4man on October 03, 2011, 06:56:37 AM
vmware is so hard to use :(

Virtualbox is pretty easy and works great. Its also free.


Title: Re: Alternative Block Chains : be safe!
Post by: P4man on October 04, 2011, 08:20:53 AM
GPU virtualization is still pretty experimental. Most VMs virtualize some old crap GPU by default. To get hardware access to your actual GPU, in Virtualbox there is an option to do that and it works, sometimes, somewhat. TBH, I havent tried GPU mining in a VM yet, I have used it for CPU mining and then VMs are trivial. Anyone got GPU mining to work in a VM?


Title: Re: Alternative Block Chains : be safe!
Post by: DavinciJ15 on October 04, 2011, 12:33:01 PM
GPU virtualization is still pretty experimental. Most VMs virtualize some old crap GPU by default. To get hardware access to your actual GPU, in Virtualbox there is an option to do that and it works, sometimes, somewhat. TBH, I havent tried GPU mining in a VM yet, I have used it for CPU mining and then VMs are trivial. Anyone got GPU mining to work in a VM?

Working on it in vSphere 5, I feel I am close to getting it to work.


Title: Re: Alternative Block Chains : be safe!
Post by: mrb on October 06, 2011, 03:24:21 AM
Guys, there is no point in GPU-mining in VMs!

Alternative chains with GPU-based miners are compatible with standard (trusted) miners that don't need to be virtualized. This means you only need to run the (untrusted) alternative chain app in a VM, and expose its RPC port to the network where the physical miners are running...


Title: Re: Alternative Block Chains : be safe!
Post by: chmod755 on October 07, 2011, 04:41:38 PM
Thanks Mr. Andresen, but I'm only running alternative clients in VMs (I'm basically selling all alt. coins for BTC asap  :D)


Title: Re: Alternative Block Chains : be safe!
Post by: Spacy on October 27, 2011, 05:17:04 PM
BitcoinEXpress has 100.000+ of BTC. Everybody should consider this when reading BCX's comments about alt-chains  ;D


Title: Re: Alternative Block Chains : be safe!
Post by: kano on February 20, 2012, 01:28:01 AM
LOL linus - now that would be funny :)

Try Melbourne - Aus ...


Title: Re: Alternative Block Chains : be safe!
Post by: mystery2048 on July 08, 2012, 06:44:27 AM
Were really supposed the build the entire thing from source, not use windows and run it in a VM just to use an alt-coin safely? Are we supposed to audit the code ourselves too?

I dont think many people are going to do that just to use an alt-chain, and I think many of the alt-chains are safe enough, ie... Litecoin and Namecoin... I wouldnt bother...


Title: Re: Alternative Block Chains : be safe!
Post by: NASDAQEnema on July 17, 2012, 12:39:50 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

LOL. Paranoid. First of all that has nothing to do with 'fear of bitcoin/altcoin/jokecoin/scamcoin'. That's standard Inner Tube safety.
If you have to mention those issues, your audience isn't tall enough for this ride.

Quote
I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

That sounds like a procedure for both evaluating and IMPROVING. I still fail to see the need to mention of the 'fear factor'. Not calling you FUDmonkey, but this is kind of standard isn't it or should we require an internet driver's license?

Quote
If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

This is where we're playing games with psychology or at least it can seem so. There's a lot of ppl with internet war stories talking about scams without context (exception silly coin from the hunter of the RealSilly).

Quote
If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.

More boilerplate advice. It's good stuff for noobs, but come on are we still in 1990?


Title: Re: Alternative Block Chains : be safe!
Post by: kano on July 17, 2012, 11:04:14 PM
Was there one except LTC that wasn't a pure scam?


Title: Re: Alternative Block Chains : be safe!
Post by: cunicula on November 23, 2012, 01:39:11 AM
Was there one except LTC that wasn't a pure scam?

LTC was either scam or folly. Remember, undisclosed ability to mine with GPUs... No other additional features except the one surrounding the scam/folly.

As acknowledged by insane critics such as LukeJr, The only legitimate altcoin is PPCoin.





Title: Re: Alternative Block Chains : be safe!
Post by: smoothie on November 23, 2012, 07:07:15 AM
Was there one except LTC that wasn't a pure scam?

LTC was either scam or folly. Remember, undisclosed ability to mine with GPUs... No other additional features except the one surrounding the scam/folly.

As acknowledged by insane critics such as LukeJr, The only legitimate altcoin is PPCoin.





Proof or STFU.  :D


Title: Re: Alternative Block Chains : be safe!
Post by: bitcool on November 23, 2012, 07:43:28 PM
Was there one except LTC that wasn't a pure scam?

LTC was either scam or folly. Remember, undisclosed ability to mine with GPUs... No other additional features except the one surrounding the scam/folly.

As acknowledged by insane critics such as LukeJr, The only legitimate altcoin is PPCoin.
----------------------------------------------------------------------------------------------------------------------
Does it contain any abstract reasoning concerning quantity or number? No. Does it contain any experimental reasoning concerning matter of fact and existence? No. Commit it then to the flames: for it can contain nothing but sophistry and illusion.  - David Hume



Title: Re: Alternative Block Chains : be safe!
Post by: cunicula on November 24, 2012, 08:08:56 AM

Proof or STFU.  :D
Was there one except LTC that wasn't a pure scam?

LTC was either scam or folly. Remember, undisclosed ability to mine with GPUs... No other additional features except the one surrounding the scam/folly.

As acknowledged by insane critics such as LukeJr, The only legitimate altcoin is PPCoin.
----------------------------------------------------------------------------------------------------------------------
Does it contain any abstract reasoning concerning quantity or number? No. Does it contain any experimental reasoning concerning matter of fact and existence? No. Commit it then to the flames: for it can contain nothing but sophistry and illusion.  - David Hume


In this case, I am opting for STFU. We will have to wait for the results of the experiments for more evidence.


Title: Re: Alternative Block Chains : be safe!
Post by: ATC777 on December 17, 2012, 06:21:49 AM
Why can't any number of alt chains and Bitcoin all get along? There are numerous fiat currencies in the world, from the Swiss Franc to the Singapore dollar. The way we handle them is by exchange rates (duh). Bitcoin, Litecoin and possibly hundreds or thousands of others can all live in the same world and be traded in the future. Why couldn't there be as many crypto-currencies as their are stocks traded on global exchanges? There can be, if you ask me. And as with stocks, people will have to examine the merits of each one individually and decide which ones are worth "investing" in. In fact, I think it's better this way. Newer and better types of currency can replace the old and an ultra-modern economy can flourish without the need for centralized fiat currencies.  :)

That being said, I'm actually speculating on exchange rates between alternate cryptos, Bitcoin and fiat currencies... I'm a FOREX trader, so I can't help myself. If I told you what I was doing you might think it a "high-stakes gamble", but I'm not risking what I can't afford to lose and the payoff could be huge. I do the same sort of thing with risky S&P 500 and VIX futures/options, so why not crypto currencies? If you know what you're doing, speculation pays... 8)


Title: Re: Alternative Block Chains : be safe!
Post by: dishwara on December 17, 2012, 07:05:05 PM
Why can't any number of alt chains and Bitcoin all get along? There are numerous fiat currencies in the world, from the Swiss Franc to the Singapore dollar. The way we handle them is by exchange rates (duh). Bitcoin, Litecoin and possibly hundreds or thousands of others can all live in the same world and be traded in the future. Why couldn't there be as many crypto-currencies as their are stocks traded on global exchanges? There can be, if you ask me. And as with stocks, people will have to examine the merits of each one individually and decide which ones are worth "investing" in. In fact, I think it's better this way. Newer and better types of currency can replace the old and an ultra-modern economy can flourish without the need for centralized fiat currencies.  :)

That being said, I'm actually speculating on exchange rates between alternate cryptos, Bitcoin and fiat currencies... I'm a FOREX trader, so I can't help myself. If I told you what I was doing you might think it a "high-stakes gamble", but I'm not risking what I can't afford to lose and the payoff could be huge. I do the same sort of thing with risky S&P 500 and VIX futures/options, so why not crypto currencies? If you know what you're doing, speculation pays... 8)
The first simple problem needs to solve is Trust.
Fiat currencies backed by government of any country, which print(makes) them.
Bitcoin is not backed by anyone, except the developers, miners & this forum for some extent.
& most of the trusted members showed their true face, which was ugly.
Trust needs more time to evolve.


Title: Re: Alternative Block Chains : be safe!
Post by: franky1 on December 29, 2012, 10:02:02 PM
the reason FIAt currencies kind of get along (ignoring the many wards between countries) is because they have their own clearly defined consumer base of users. separated by country borders but allowed to trade across those borders.

the problem with alternative crypto currencies is that we all belong to the same.. well, virtual country. all fighting for the same population base of 150k average users. there's no clear niche markets that separate the different currencies.

this is why i think bitcoin should remain in the non regulated, anonymous, illegal trade business predominantly, thus avoid any threat that it will ever become regulated.

and allow litecoin which has not got the same anonymity desires, to become a more regulated currency to go mainstream. basically make bitcoin the amsterdam currency for all its porn/drugs and fire arms. and litecoin the virtual equivelent to GBP/USD

bitcoin is fighting itself to go mainstream yet its main users dont want the mainstream regulations that come with it.. so why change its main purpose. allow other alt currencies like litecoin to do the main stream stuff.. and then traders can use the exchanges to dip in and out of the differing territories.


Title: Re: Alternative Block Chains : be safe!
Post by: smoothie on December 30, 2012, 07:14:44 AM
the reason FIAt currencies kind of get along (ignoring the many wards between countries) is because they have their own clearly defined consumer base of users. separated by country borders but allowed to trade across those borders.

the problem with alternative crypto currencies is that we all belong to the same.. well, virtual country. all fighting for the same population base of 150k average users. there's no clear niche markets that separate the different currencies.

this is why i think bitcoin should remain in the non regulated, anonymous, illegal trade business predominantly, thus avoid any threat that it will ever become regulated.

and allow litecoin which has not got the same anonymity desires, to become a more regulated currency to go mainstream. basically make bitcoin the amsterdam currency for all its porn/drugs and fire arms. and litecoin the virtual equivelent to GBP/USD

bitcoin is fighting itself to go mainstream yet its main users dont want the mainstream regulations that come with it.. so why change its main purpose. allow other alt currencies like litecoin to do the main stream stuff.. and then traders can use the exchanges to dip in and out of the differing territories.

Major bitcoin investors/early adopters dont want the status quoto change, hence all the hating on alt chains.


Title: Re: Alternative Block Chains : be safe!
Post by: nyusternie on December 30, 2012, 09:48:03 AM
this is why i think bitcoin should remain in the non regulated, anonymous, illegal trade business predominantly, thus avoid any threat that it will ever become regulated.

and allow litecoin which has not got the same anonymity desires, to become a more regulated currency to go mainstream. basically make bitcoin the amsterdam currency for all its porn/drugs and fire arms. and litecoin the virtual equivelent to GBP/USD
why doesn't litecoin have the same anonymity desires? they "seem" almost identical

i can only expect that once the regulations kick in, they will affect ALL coins. currently AML seems to be the only regulation that really gets enforced. but more will follow

Major bitcoin investors/early adopters dont want the status quoto change, hence all the hating on alt chains.
from a technical view, these alt coins provide a great way to real-world test new technologies (in a way testnet cannot). successes can then be implemented back into btc. seems like a win-win


Title: Re: Alternative Block Chains : be safe!
Post by: nanopene on February 23, 2013, 10:36:47 AM
Why can't any number of alt chains and Bitcoin all get along? There are numerous fiat currencies in the world, from the Swiss Franc to the Singapore dollar. The way we handle them is by exchange rates (duh). Bitcoin, Litecoin and possibly hundreds or thousands of others can all live in the same world and be traded in the future. Why couldn't there be as many crypto-currencies as their are stocks traded on global exchanges? There can be, if you ask me. And as with stocks, people will have to examine the merits of each one individually and decide which ones are worth "investing" in. In fact, I think it's better this way. Newer and better types of currency can replace the old and an ultra-modern economy can flourish without the need for centralized fiat currencies.  :)

That being said, I'm actually speculating on exchange rates between alternate cryptos, Bitcoin and fiat currencies... I'm a FOREX trader, so I can't help myself. If I told you what I was doing you might think it a "high-stakes gamble", but I'm not risking what I can't afford to lose and the payoff could be huge. I do the same sort of thing with risky S&P 500 and VIX futures/options, so why not crypto currencies? If you know what you're doing, speculation pays... 8)

Because we have one planet, so far.

The multitude of currencies is because of the multitude of countries that force them to issue their own national currency, but that has been changing with the evolution of free trade areas and further evolution in the creation of monetary unions, which further reduced the number of currencies in circulation: namely the Euro, which ended up replacing 17 currencies in Europe. Central and West Africa have Economic and Monetary Union, which comprises 14 countries in Africa using CFA francs. The North American Union, proposing a new currency the Amero for Canada, US and Mexico (not implemented yet), and soon the Sucre currency for the Alba, replacing 8 currencies.
It is an evolutionary trend, the better the interrelationships, more common markets, more economic unions and more monetary unions, implies less national currencies we'll have in the future. In short, this world is becoming globalized.

Bitcoin doesn't belong to any country nor region, it is global by default.
It is unnecessary to have many digital currencies when they don't have a clear differentiating purpose.
Let me remind you the purpose of money: a medium of exchange, a unit of account, a store of value.

If you are cheering the creation of alternative cryptocurrencies solely for speculation, then such currency is sterile from the get go.
That's when we'll have our first tulipmania and we will ALL suffer, even the BTC will take a hit damaging the reputation that has been building painstakingly.


Title: Re: Alternative Block Chains : be safe!
Post by: enquirer on March 14, 2013, 01:55:02 AM
Thank you Gavin.

The only things I might add is that "use a different password" isn't limited to exchanges, but applies to forums, emails, and even pools ;) , and that some antivirus heuristics seem to hate anything that has mining code in it and isn't explicitly whitelisted.

Having different and strong password on each site can be achieved by only one method: using a master password like lastpass. And master password is a huge security risk. To access a low-security site you need to put at risk all of your data. If a keylogger gets your master password, all your bases immediately belong to the hacker. Yes, there is 2factor auth, but I bet 99% of master password users dont have it.


Title: Re: Alternative Block Chains : be safe!
Post by: shamaniotastook on March 19, 2013, 03:23:40 AM
Thank you Gavin.

The only things I might add is that "use a different password" isn't limited to exchanges, but applies to forums, emails, and even pools ;) , and that some antivirus heuristics seem to hate anything that has mining code in it and isn't explicitly whitelisted.

Having different and strong password on each site can be achieved by only one method: using a master password like lastpass. And master password is a huge security risk. To access a low-security site you need to put at risk all of your data. If a keylogger gets your master password, all your bases immediately belong to the hacker. Yes, there is 2factor auth, but I bet 99% of master password users dont have it.

OAuth +1


Title: Re: Alternative Block Chains : be safe!
Post by: Dabs on April 07, 2013, 05:25:57 AM
Having two different passwords for each alt-coin or website isn't that hard. You could do all the generating on an offline computer (where you probably have your offline transaction signing bitcoin client, like Armory).

All new passwords for new websites, get to be typed by hand. 12 to 16 characters ought to be enough for a start, then when you get more serious about it, you can extend your password or passphrase length.

I consider my office desk and my home table secure enough that I can write down whatever password I needed on paper. Offline. Or, as Bruce Schneier says, stick it in your real life wallet.

http://www.schneier.com/blog/archives/2005/06/write_down_your.html


Title: Re: Alternative Block Chains : be safe!
Post by: ProfMac on April 11, 2013, 05:19:33 PM
vmware is so hard to use :(

Virtualbox is pretty easy and works great. Its also free.

I use virtualbox


Title: Re: Alternative Block Chains : be safe!
Post by: jmfg187 on April 16, 2013, 05:35:42 PM
I personally use LastPass but my password for LastPass is a 20 character random pass with symbols included so I highly doubt it will be getting cracked very easily.


Title: Re: Alternative Block Chains : be safe!
Post by: kano on April 17, 2013, 01:35:06 AM
I personally use LastPass but my password for LastPass is a 20 character random pass with symbols included so I highly doubt it will be getting cracked very easily.
Unless someone finds where you wrote it down :)

Or ... http://xkcd.com/538/

... or you forget it coz it is 'random' ... if it is random, then your memory is clearly good enough to not bother using any storage for passwords :P


Title: Re: Alternative Block Chains : be safe!
Post by: jmfg187 on April 17, 2013, 01:57:42 AM
I did have to keep it on a notepad for the first few days but after that I memorized it and it is only in my head.


Title: Re: Alternative Block Chains : be safe!
Post by: BitshireHashaway on May 03, 2013, 03:08:47 PM
Great advice, thank you, I was looking at getting into some newer cryptocurrencies and wanted to make sure that I would stay safe and couldn't get Trojans or other viruses from it.


Title: Re: Alternative Block Chains : be safe!
Post by: digicoins on May 05, 2013, 02:21:43 AM
Thanks for the heads up!


Title: Re: Alternative Block Chains : be safe!
Post by: BlockChains on May 06, 2013, 10:24:24 PM
Guys, there is no point in GPU-mining in VMs!

Alternative chains with GPU-based miners are compatible with standard (trusted) miners that don't need to be virtualized. This means you only need to run the (untrusted) alternative chain app in a VM, and expose its RPC port to the network where the physical miners are running...

Could you please expand on this bit more? (I'm pretty new to VirtualBox) I set up VirtualBox with Windows 7 in a host OS that's Windows 8. The windows 8 machine is my miner and I can't figure out how to get the config to point my solomine to my CHNcoin wallet on the Guest OS.  When I go to ipconfig on the VirtualBox it has an ipv6 address and an ipv4 address that is 10.x.x.x (there are numbers where the x's are). So in my conf file when I run my CHN coin wallet as server do I use the rpcallowip as the 10.x.x.x address and then set my cgminer to point to that as my url?  Will I have to configure anything else in VirtualBox to let the miner through to the ports?


Title: Re: Alternative Block Chains : be safe!
Post by: BlockChains on May 07, 2013, 02:33:15 AM
If anybody is reading this and also wants to solo mine with virtual box for safety I used this and it worked.

Many alt-coin/modded/patched clients are very interesting but less than fully trustworthy,
and VirtualBox has no good GPU support.

So, for solo mining the miner should run on the physical host machine and connect to the client
in the virtual machine, via "virtual box port forwarding".
Expert level manuals are easy to find, but is there a simple step-by-step howto for beginners?


Very short version would be like:

-Miner: connect to localhost 127.0.0.1 and to some unused port xxxx.

-VBox network settings (for this virtual machine): networking mode: NAT (default)
                                            port forwarding: host IP <empty>
                                                                    host port <the unused port xxxx>
                                                                    guest IP <empty>
                                                                    guest port <the actual rpc port>

-in config file for client in guest machine: rpcallowip=*

This should do it. Guest firewall (in its default state, tested on Linux mint and Win7) is mostly harmless.


The asterisk in rpcallowip is literal. In the conf file put that exactly with the asterisk.


Title: Re: Alternative Block Chains : be safe!
Post by: Lowlander on May 08, 2013, 05:06:33 PM
necromancers...


Title: Re: Alternative Block Chains : be safe!
Post by: Simran on May 09, 2013, 05:50:58 PM
Most of the new coins coming out daily are created by ignorant developers. Now that's scary.


Title: Re: Alternative Block Chains : be safe!
Post by: Hfleer on May 11, 2013, 12:42:27 PM
A lot of these coins are just pump and dump.


Title: Re: Alternative Block Chains : be safe!
Post by: kano on May 11, 2013, 01:39:10 PM
A lot of these coins are just pump and dump.
Which ones aren't? :P


Title: Re: Alternative Block Chains : be safe!
Post by: Welsh on May 15, 2013, 03:40:14 PM
Very good advise here, even though I don't believe on using alternative currencies to Bitcoin.


There are a number of virtual programs which can be installed for free, and they are also safe and pretty reliable.
Also very easy to setup, google on how to setup. It takes no longer than 5 minutes.


Title: Re: Alternative Block Chains : be safe!
Post by: erk on May 25, 2013, 11:55:26 AM
I think FTC had a block chain split from a 51% attack around block 33,000. No slow block rate from the high diff helped the attacker.


Title: Re: Alternative Block Chains : be safe!
Post by: ProfMac on May 26, 2013, 04:12:36 PM
A lot of these coins are just pump and dump.
Which ones aren't? :P

What is your opinion on Bytecoin, released on April 1?



Title: Re: Alternative Block Chains : be safe!
Post by: kano on May 26, 2013, 10:29:34 PM
A lot of these coins are just pump and dump.
Which ones aren't? :P

What is your opinion on Bytecoin, released on April 1?

"April 1" :)


Title: Re: Alternative Block Chains : be safe!
Post by: dmatthewstewart on June 13, 2013, 01:31:53 AM
Thanks Gavin!

That is great advice and it includes the absolute basic measures that everyone should take. Since we are connecting right to someones server anything could happen. Well, not "anything". Im not going  to start mining and open an inter-dimensional portal.

This advice is especially prescient now that we see "the newest alt coin is here!" 20 times per day. (btw, is there a way to stop people from creating thousands of altcoins? I have been trying to just ridicule them but it is barely slowing them down)

Thanks again


Title: Re: Alternative Block Chains : be safe!
Post by: pinarello on June 14, 2013, 10:09:44 AM
thank you


Title: Re: Alternative Block Chains : be safe!
Post by: JohnSy on June 15, 2013, 11:26:31 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:lots of fishy

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.




Title: Re: Alternative Block Chains : be safe!
Post by: TECHICENINE on June 26, 2013, 10:13:00 PM
look at Bytecoin a byte is bigger than a bit following that line of reasoning~hmm name dat remix?..thanks


EDIT : Lmao! looks like this is the BTE thread after reading haaa


Title: Re: Alternative Block Chains : be safe!
Post by: PsychoticBigBoy on July 05, 2013, 03:02:17 AM
thank you


Title: Re: Alternative Block Chains : be safe!
Post by: Lethn on August 07, 2013, 03:28:11 AM
I think these are perfectly legitimate concerns actually but the way I found out whether Bitcoin wasn't a scam and the way I find out anything else isn't a scam is this:

. Is it open source? If it's open source then that means people will be able to look at the code and find anything suspicious or even help to improve it if the developer is unwilling, it's very difficult to plant something bad if people can investigate it with a microscope

. Are the stores that are supportive of it just subsidiaries of the person who made the currency? Or are they independent and have accepted it willingly? This is usually a good sign that it has some actual worth, because they must have been convinced by something about the coin to accept it right?

. Does the developer regularly post updates or comments, do they chat and argue with other developers or users? Usually another good sign that the currency is going places and not just a con, if they just post it and abandon it for ages then chances are they're just looking for someone to click on the links

. Does the developer have a programming background? Have they done anything aside from this currency they've made? If they have, chances are they'll have the understanding of the source code needed to update and change it if bugs and glitches come out, they'll also usually have more respect for other peoples computers if they already work for a legitimate company

If you are an Anarchist/Libertarian :D :

. Does the currency have no ties to the current aristocracy, government or financial system? If so there's probably a better chance of it being legitimate than just a way to manipulate peoples wealth


Title: Re: Alternative Block Chains : be safe!
Post by: bob131313 on August 08, 2013, 02:16:56 PM
I think these are perfectly legitimate concerns actually but the way I found out whether Bitcoin wasn't a scam and the way I find out anything else isn't a scam is this:

. Is it open source? If it's open source then that means people will be able to look at the code and find anything suspicious or even help to improve it if the developer is unwilling, it's very difficult to plant something bad if people can investigate it with a microscope


Be careful here. As a coder, I can hide some pretty fancy run time code that calls a script from a server that can update with malicious intentions.

Or if I am really lazy, I can have an open source on git, but a private one that I compile from with the bad code.
You are not protected on most of these, the laziness of the stupid people copying/pasting the new alt-coins is the only thing that is protecting you.

If a group with the education/willfulness somewhat smarter then the average 15 year old coder decided to reek havoc on all of the folks that race to mine the alt-coin on launch; the damage wouldn't be measurable.

Thought experiment:
Pre-announce alt-coin
On release link to source on git. Publish a binary with hidden code.
Include code in binary to copy all wallet files from all altcoins traded on cryptsy.
On the server that the wallets are uploaded to, run a test to see if it is encrypted.
For unencrypted wallets send the coins to cryptsy/coins-e wallet and sell for btc/ltc.
Have code self-patch to remove the function call.
...
Wait a few months, rinse and repeat.


The above project can be done by anyone with coding experience in a matter of days.  You are not protected, please start being somewhat cautious.
 

HTH.


Title: Re: Alternative Block Chains : be safe!
Post by: reb0rn21 on August 12, 2013, 02:47:22 AM
Just out of interest was there any any coin/mining tool infected here in past?

I knew few ppl that lost coins from Gox, BTC-e and they were "careful", even gmail verification have not helped, but i bet many mined alt crap


Title: Re: Alternative Block Chains : be safe!
Post by: Joerii on August 25, 2013, 01:20:32 PM
Just out of interest was there any any coin/mining tool infected here in past?

I knew few ppl that lost coins from Gox, BTC-e and they were "careful", even gmail verification have not helped, but i bet many mined alt crap

I've never heard of any real trojans or viruses in wallet releases yet. It seems walletstealers in coin.exes are a myth, propagated by false negatives from antivirus software.



Title: Re: Alternative Block Chains : be safe!
Post by: Luckybit on August 31, 2013, 11:24:21 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.



Multi-factor authentication for all please. Yubikey+Password, Cellphone+Password, Smartcard+Password, Biometric+Password.

Never trust a site which wants you to use a password alone. Never trust your keyboard or your operating system. Biometric hardware wallets will become increasingly important for security of crypto-finance in the future and I wish there were more robust hardware and API's for it.

I know Bitcoin is intending to support two-factor authentication but please consider supporting the latest biometric technology as well due to the ease of use factor.


Title: Re: Alternative Block Chains : be safe!
Post by: Luckybit on August 31, 2013, 11:30:18 AM
Good advice.

Using an alternate cryptocurrency client would be a great way to get many people to install a hidden virus that targets Bitcoin users.

If you have a significant amount of Bitcoins, I wouldn't run other clients on the same computer until the alternates have developed trust over a longer period of time... I'm probably on the paranoid side of things though.

These new cryptocurrencies are interesting, and it will be fascinating to see how it will all play out.  

Ultimately someone should probably release a product, some hardware such as a thumb drive with an OS which runs in as a virtual machine and sell it to people. Then they just plug it in and install the latest alt-coin for testing. The thumb drive should also include biometric authentication and generate a one time password.

It would be the perfect hardware wallet in my opinion. No remembering passwords. You wouldn't even necessarily have to worry about losing the hardware wallet because the actual wallet could be backed up to the cloud or internet and downloaded again as it would be authenticated by your biometric signature which will not change even if you were to lose the device. It would be a combination of a Yubikey, 16-32GB hardware encrypted solid state drive, and finger vein recognition biometric authentication. Push one button and it backs up all your coins to your email, or to the cloud. Put your finger into the slot, enter the 4 digit pin, and you can make a transaction.

The reason for the pin is because someone might try to steal your money while you're asleep. Something you know, something you have, something you are.


Title: Re: Alternative Block Chains : be safe!
Post by: simplydt on November 16, 2013, 09:19:01 AM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.

Virtual machines ftw


Title: Re: Alternative Block Chains : be safe!
Post by: HBBZ on November 16, 2013, 02:11:52 PM
It is not wrong to be conservative. The possibility is that people miss a lot of fun and chances of profit by adopting this attitude. Specifically, it is right not to install risky software on real personal computer.


Title: Re: Alternative Block Chains : be safe!
Post by: Scepto on November 22, 2013, 06:48:00 AM
I agree with this completely. I have a computer that I was given that I use for nothing but altcoin mining.


Title: Re: Alternative Block Chains : be safe!
Post by: Spoetnik on December 04, 2013, 07:35:51 AM
in the last month alone i have seen two new altcoins posted with a trojan / keylogger
a well known coin by a well known coin spammer and coin cloner for hire also added one to his last wallet version..
so yeah they are out in force !

the guy mentioned earlier how easy it would be and he's right..

a lot of thee guy don't even make the coins.. and often they get premined as they are delivered

the more you dig the more you find.. there is no limit to the scummy greedy behavior in this scene

i today found yet another fake malware bundle uploaded to torrent sites..
some guy has been at it hard.. i have flagged about 6 uploads he has done (all Bitcoin related or Altcoin related) last few months

and miners are commonly flagged as malware by AV software and rightfully so because the code may be clean but its bundled with malware
and has been for years.. the two most popular things for malware coders these days is to infect you to jack your machine for mining or just steal wallets
or even to get Facebook likes.

so yeah i could go on and on forever citing examples but who cares ?

maybe rather than posting stupid little stickied warnings the admins here could expose the little pricks doing it..
after all they should be able to see they are being posted from the same ip's (many of these guys prob have a 100 accounts here)
all they do is lock and delete the topic.. and let the douches keep doing it


Title: Re: Alternative Block Chains : be safe!
Post by: Amph on December 07, 2013, 01:12:09 PM
as long as there is the source code, they are safe


Title: Re: Alternative Block Chains : be safe!
Post by: William Whiston on December 14, 2013, 02:53:53 AM
Lucasian Professor of Mathematics


Title: Re: Alternative Block Chains : be safe!
Post by: murderouskirk on December 22, 2013, 09:36:21 PM
in the last month alone i have seen two new altcoins posted with a trojan / keylogger
a well known coin by a well known coin spammer and coin cloner for hire also added one to his last wallet version..
so yeah they are out in force !

the guy mentioned earlier how easy it would be and he's right..

a lot of thee guy don't even make the coins.. and often they get premined as they are delivered

the more you dig the more you find.. there is no limit to the scummy greedy behavior in this scene

i today found yet another fake malware bundle uploaded to torrent sites..
some guy has been at it hard.. i have flagged about 6 uploads he has done (all Bitcoin related or Altcoin related) last few months

and miners are commonly flagged as malware by AV software and rightfully so because the code may be clean but its bundled with malware
and has been for years.. the two most popular things for malware coders these days is to infect you to jack your machine for mining or just steal wallets
or even to get Facebook likes.

so yeah i could go on and on forever citing examples but who cares ?

maybe rather than posting stupid little stickied warnings the admins here could expose the little pricks doing it..
after all they should be able to see they are being posted from the same ip's (many of these guys prob have a 100 accounts here)
all they do is lock and delete the topic.. and let the douches keep doing it

Wow I didn't realize things were that bad in the altcoin scene. Would be great to have a thread that exposes scammy behavior so people are aware of the known tricks.


Title: Re: Alternative Block Chains : be safe!
Post by: testbug on December 23, 2013, 08:38:12 AM
Thank you for creating this topic. Its very helpfull for new members like me  :)


Title: Re: Alternative Block Chains : be safe!
Post by: justmyname on December 25, 2013, 11:28:01 PM
in the last month alone i have seen two new altcoins posted with a trojan / keylogger
a well known coin by a well known coin spammer and coin cloner for hire also added one to his last wallet version..
so yeah they are out in force !

the guy mentioned earlier how easy it would be and he's right..

a lot of thee guy don't even make the coins.. and often they get premined as they are delivered

the more you dig the more you find.. there is no limit to the scummy greedy behavior in this scene

i today found yet another fake malware bundle uploaded to torrent sites..
some guy has been at it hard.. i have flagged about 6 uploads he has done (all Bitcoin related or Altcoin related) last few months

and miners are commonly flagged as malware by AV software and rightfully so because the code may be clean but its bundled with malware
and has been for years.. the two most popular things for malware coders these days is to infect you to jack your machine for mining or just steal wallets
or even to get Facebook likes.

so yeah i could go on and on forever citing examples but who cares ?

maybe rather than posting stupid little stickied warnings the admins here could expose the little pricks doing it..
after all they should be able to see they are being posted from the same ip's (many of these guys prob have a 100 accounts here)
all they do is lock and delete the topic.. and let the douches keep doing it


I wish you'd be more specific about which clients have malware or trojans on them. Like for example off this site which ones if any?

http://coinmarketcap.com/



 


Title: Re: Alternative Block Chains : be safe!
Post by: Don007 on December 29, 2013, 04:15:25 PM

3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.


Does anyone has a few tips to do this? As most of the people here probably don't understand the source code well I guess.


Title: Re: Alternative Block Chains : be safe!
Post by: Fandekasp on January 01, 2014, 07:00:49 AM
Damn, I've been installing a lot of new wallets those past days, and now I feel silly... I've lost myself in the fever of new coins and giveaways, and my computer could be infected by a scam coin...
Will have to clean all that soon :( Thanks for the tips !


Title: Re: Alternative Block Chains : be safe!
Post by: XCASH on January 20, 2014, 10:11:45 PM
Is the zipped doge blockchain download link below OK, or has anyone heard anything dodgy about it? I am just a noob asking the experts.

http://doge.rstreefland.com/


Title: Re: Alternative Block Chains : be safe!
Post by: malevolent on January 27, 2014, 01:12:22 PM
as long as there is the source code, they are safe

Doesn't matter when most people don't even check the source code.


Title: Re: Alternative Block Chains : be safe!
Post by: Spoetnik on February 02, 2014, 03:05:08 PM
exactly !
and sometimes such as CENT, it was posted with no updated source code and a keylogger was added to it..
see this
https://www.virustotal.com/en/file/824864222d7d7997ce4b7f6dc2d289b9764185d2f8a0c9d8a0e3b89743aba86c/analysis/1391352958/
that is the last CENT wallet that dev Shakezulu posted at his own web site with no updated source code and he later removed all traces of it of course
and the guy has released TONS of other coins and is good buddies with Cryptsy staff etc
back room "scammer" buddies lol

i would just try and stay away until more skilled guys can vouch for it being clean or maybe try running the wallet in a Virtual machine ?
your taking a serious risk downloading and running a Wallet.exe that was just posted..
the risk is rather obvious but if you have numerous accounts and other wallets we have seen malware posted that steals coins from many wallets, so be careful.

although no one cares it would seem, i myself ask one thing first when a new coin comes along..
WHO MADE IT ?
If it's a user with a name that match's the coin.. i pass on it.
There is no real reason for cowards to hide who they are.
And i will not support these *handful of coin spammers that want to change their user names and
update the coin name and icon and re-upload a Brand new currencies every few minutes..

Doge, Cat, Moose, Rat, Pig, Elephant, Squirrel, Snake COOOOIIIINNNNN FTW

much yes ?

uhhh, much dumb.... yes


Title: Re: Alternative Block Chains : be safe!
Post by: Dirt9000 on February 08, 2014, 01:44:33 AM
This is a very good writeup!


Title: Re: Alternative Block Chains : be safe!
Post by: Pacheco on February 13, 2014, 09:49:07 PM
I think blockchain is good with people use it.


Title: Re: Alternative Block Chains : be safe!
Post by: shadyz on February 17, 2014, 12:38:51 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.



Multi-factor authentication for all please. Yubikey+Password, Cellphone+Password, Smartcard+Password, Biometric+Password.

Never trust a site which wants you to use a password alone. Never trust your keyboard or your operating system. Biometric hardware wallets will become increasingly important for security of crypto-finance in the future and I wish there were more robust hardware and API's for it.

I know Bitcoin is intending to support two-factor authentication but please consider supporting the latest biometric technology as well due to the ease of use factor.


People will probably find a way to hack those as well ,no?


Title: Re: Alternative Block Chains : be safe!
Post by: triplexoid on February 19, 2014, 10:43:10 AM
Using altcoins will never be safe, cause it's almost impossible to analyse all the code, best effort would be to understand the risk and be ready for trouble.


Title: Re: Alternative Block Chains : be safe!
Post by: MakeBelieve on February 20, 2014, 12:56:46 PM
Using altcoins will never be safe, cause it's almost impossible to analyse all the code, best effort would be to understand the risk and be ready for trouble.

Bitcoin once was like that and now look at what it has become.


Title: Re: Alternative Block Chains : be safe!
Post by: triplexoid on February 25, 2014, 08:16:51 AM
Is there some list of indicators that certain altcoin is scam and other is not? (Except Premining, and Instamining?)


Title: Re: Alternative Block Chains : be safe!
Post by: SkillRoad on March 07, 2014, 08:16:13 AM
Is there some list of indicators that certain altcoin is scam and other is not? (Except Premining, and Instamining?)

You'll never know it's a scam or not, it all depends on the integrity of the developer. code also needs to be well analyzed for invulnerability


Title: Re: Alternative Block Chains : be safe!
Post by: 666#666 on March 29, 2014, 02:40:14 AM
first time to reply on a post written by hero member,  it's my honor


Title: Re: Alternative Block Chains : be safe!
Post by: vishi_tup on April 02, 2014, 11:54:09 AM
Is there some list of indicators that certain altcoin is scam and other is not? (Except Premining, and Instamining?)

There are more shitcoins than scam coins nowadays. Someone finds an idea, fork a coin and call it revolutionary, 3rd gen, 4th gen.. Take the case of Auroracoin, spaincoin, siliconvalley coin, hongkong coin.


Title: Re: Alternative Block Chains : be safe!
Post by: andyge on April 13, 2014, 03:53:01 AM
It is not wrong to be conservative. The possibility is that people miss a lot of fun and chances of profit by adopting this attitude. Specifically, it is right not to install risky software on real personal computer.
Agree, if so, our computer is easy to be attacked, that all the things we are not protected by computer, there are risks of leakage and the attack. This feel alarmed might as well give up this coin, the author will certainly consider this, hope to be able to improve technically perfect his. Let the fans can rest assured.


Title: Re: Alternative Block Chains : be safe!
Post by: yadan86 on April 13, 2014, 03:08:13 PM
Is there some list of indicators that certain altcoin is scam and other is not? (Except Premining, and Instamining?)
no ,but you can  make one  :)


Title: Re: Alternative Block Chains : be safe!
Post by: quarkfx on May 05, 2014, 10:49:01 AM
Is there some list of indicators that certain altcoin is scam and other is not? (Except Premining, and Instamining?)

Even Bitcoin is premined (http://millionquarks.org/blog/the-myth-of-quark-being-premined/).

P.S.: Polemic intended


Title: Re: Alternative Block Chains : be safe!
Post by: JasonCroper on May 11, 2014, 03:07:08 AM
It is the best thread I have readed in the forum. There is too much scams here. Thanks for your post.


Title: Re: Alternative Block Chains : be safe!
Post by: JPred on May 27, 2014, 05:56:34 PM
I don't know much about technicalities of blockchain safety, but want to say after seeing legions of new coins arising: "may the best coin(s) win!" , whenever that will be known - somewhere in the future ;)


Title: Re: Alternative Block Chains : be safe!
Post by: kiki6990 on June 04, 2014, 10:03:57 AM
Using Google Authenticator as a 2way authentication for exchangers will keep you out of trouble, and your coins will be safe. As for the wallets, they have to be kept on a clean PC wich is not used for mining, with a solid antivirus, used with caution when downloading anything new.
It`s an honour for me too to reply on a hero member`s thread!:)


Title: Re: Alternative Block Chains : be safe!
Post by: Ashbite on June 12, 2014, 12:31:06 PM
Always safety first people! You dont want to lose all your BTC's.
Google authenticator - Clean PC - antivirus - and make very difficult passwords you only save on a piece of paper.


Title: Re: Alternative Block Chains : be safe!
Post by: sile16 on June 24, 2014, 02:41:17 AM
dedicate a computer for just use with crypto, don't use for general purpose browsing...  or posting to BTT..


Title: Re: Alternative Block Chains : be safe!
Post by: buy4crypto on July 09, 2014, 01:45:40 AM
Good read. Security should always be a top priority with crypto currency.


Title: Re: Alternative Block Chains : be safe!
Post by: mtomcdev on July 28, 2014, 03:16:43 PM
These are really good points from Gavin, thanks!

The problem altcoins and new block-chain still have place in the digital currency scene as they address issues that bitcoin don't or do (or at least try to do) certain things more efficiently. Like shorter confirmation time or smart contracts.


Title: Re: Alternative Block Chains : be safe!
Post by: griffga on August 03, 2014, 08:52:16 PM
I really appreciate this thread! Also, if you have mining equipment, don't use a wallet on the same machine. I basically don't have anything on my mining computers except a bare OS and the actual mining software.


Title: Re: Alternative Block Chains : be safe!
Post by: BIT-Sharon on August 28, 2014, 08:07:24 AM
I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)



I would say you nailed this one bullseye with one shot. I think your real concern isn't our "safety" it's yours. Sooner or later one of these alt-chains are going to replace Bitcoin if Bitcoin doesn't do some seriously needed updating and improvements.

You know it, I know it and so does everyone else.

Sometimes the truth isn't all warm and fuzzy, sometimes it's just plain brutal.

+1

I think the updating and improvements of Bitcoin has referred to some commercial value like Bitpay which the bitcoin is commitment to keep secure and more valuable, indeed, the payment of Bitpay has become popular in North American such as Newegg in Canada.


Title: Re: Alternative Block Chains : be safe!
Post by: From Above on September 08, 2014, 10:33:48 PM
I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)



I would say you nailed this one bullseye with one shot. I think your real concern isn't our "safety" it's yours. Sooner or later one of these alt-chains are going to replace Bitcoin if Bitcoin doesn't do some seriously needed updating and improvements.

You know it, I know it and so does everyone else.

Sometimes the truth isn't all warm and fuzzy, sometimes it's just plain brutal.

+1

I think the updating and improvements of Bitcoin has referred to some commercial value like Bitpay which the bitcoin is commitment to keep secure and more valuable, indeed, the payment of Bitpay has become popular in North American such as Newegg in Canada.

is the Newegg rly that popular in Canada bro ?

~CfA~


Title: Re: Alternative Block Chains : be safe!
Post by: elzahoum on September 09, 2014, 01:02:45 PM
One would think that someone who even tries to code knows to rather not say such things to programmers, lol :)
true talk and straight forward   


Title: Re: Alternative Block Chains : be safe!
Post by: homm88 on September 11, 2014, 04:54:37 AM
Thank you for making everyone aware about this alternate blockchain confirmation.This can bring a lot of advantage as we will be safe from using such processing methods.There are a lot of other payment processors which recently been turned into scam.I would b cautious to use this website in future.


Title: Re: Alternative Block Chains : be safe!
Post by: yapusi on September 21, 2014, 06:13:09 PM
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

Yes haha


Title: Re: Alternative Block Chains : be safe!
Post by: CoinProfits on September 22, 2014, 07:28:59 AM
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

Yes haha

Why so?


Title: Re: Alternative Block Chains : be safe!
Post by: poxie on September 25, 2014, 01:50:29 AM
what i really concern is that virus. about the safety we can use different passwords but the virus, we cannot avoid it cause some download document carry virus.


Title: Re: Alternative Block Chains : be safe!
Post by: cryptomad on September 28, 2014, 04:46:16 PM
Thanks Gavin Andresen Much appreciated.


Title: Re: Alternative Block Chains : be safe!
Post by: zikomoto on October 04, 2014, 01:28:08 AM
i'm always worried when a new feature is released for an altcoin and this feature doesn't pass the whole sanity check process


Title: Re: Alternative Block Chains : be safe!
Post by: BootstrapCoinDev on October 27, 2014, 07:31:18 PM
most people forget that "fork" doesn't mean "permanently branched away from" - for example, if enough people decide that SolidCoin is better because of the more frequent retargets, that's a change that can be rolled into the official client at some point. Forking the block chain is permanent, forking the project to experiment with new features isn't


Title: Re: Alternative Block Chains : be safe!
Post by: BIT-Sharon on November 11, 2014, 02:47:31 AM
It just feel like Gavin is a modest and cautious master who always brings a brief but in-depth suggestion to us. It deserves a try when you are interested in a new cryptocurrency and keep calm on it.


Title: Re: Alternative Block Chains : be safe!
Post by: ellenbath on November 11, 2014, 06:43:14 AM
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Title: Re: Alternative Block Chains : be safe!
Post by: MoscowAlliance on November 11, 2014, 07:55:00 AM
It just feel like Gavin is a modest and cautious master who always brings a brief but in-depth suggestion to us. It deserves a try when you are interested in a new cryptocurrency and keep calm on it.
+1 for Gavin


Title: Re: Alternative Block Chains : be safe!
Post by: Sobranie59 on November 12, 2014, 11:08:19 AM
It just feel like Gavin is a modest and cautious master who always brings a brief but in-depth suggestion to us. It deserves a try when you are interested in a new cryptocurrency and keep calm on it.
+1 for Gavin
for sure!


Title: Re: Alternative Block Chains : be safe!
Post by: Exther2 on February 26, 2015, 05:30:03 PM
Why would anyone try alternative blockchains?

1. No, it's a scam 100%
2 - read 1
3. no, read 1.

Thank you for advice, but there is no worry if you "don't touch too much".



Title: Re: Alternative Block Chains : be safe!
Post by: GigaBit on March 06, 2015, 10:20:39 AM
Fail to plan = plan to fail



Title: Re: Alternative Block Chains : be safe!
Post by: TYPEcoin on March 13, 2015, 02:11:46 PM
Good one,
But the only safe is VM with VMware or vagrant
I keep my coins safe,blockchain is only for fun I think.
I'm using it for small amount of coins


Title: Re: Alternative Block Chains : be safe!
Post by: uszaty43 on March 24, 2015, 10:21:22 AM
In the next sic months many big investors will let darkcoin and start to use Navajo system to send their many.Darkcoin was the first one but it is not brilliant.


Title: Re: Alternative Block Chains : be safe!
Post by: maheshmahi on June 25, 2015, 03:56:41 PM
Thanks for the information.really helps.
Today bitcoin has widely expanded that we cant believe each and everything on everyone.


Title: Re: Alternative Block Chains : be safe!
Post by: MaryJ on July 03, 2015, 10:44:11 AM
Future is looking very bright for btc


Title: Re: Alternative Block Chains : be safe!
Post by: bimasena25 on August 21, 2015, 07:16:50 PM
nice, I was looking for alternatives other than using
bitcoin wallet blockchain


Title: Re: Alternative Block Chains : be safe!
Post by: herzmeister on August 24, 2015, 04:24:02 PM
yes, Gavin, please be safe with your XT fork!  ;D


Title: Re: Alternative Block Chains : be safe!
Post by: kelsey on September 07, 2015, 01:05:04 AM
oh the hypocrisy of Gavin being the OP  :-[


Title: Re: Alternative Block Chains : be safe!
Post by: Snail2 on September 09, 2015, 09:37:30 AM
oh the hypocrisy of Gavin being the OP  :-[

Well, quite ironic indeed :).


Title: Re: Alternative Block Chains : be safe!
Post by: The Pharmacist on September 09, 2015, 07:37:55 PM
This might be off topic, but reading through these posts from 2011 has me asking the question: when the fuck did everyone on this board stop being able to write English correctly?


Title: Re: Alternative Block Chains : be safe!
Post by: DickSwagger on September 11, 2015, 04:40:36 PM
No harm in taking every precaution with new software involving money.


Title: Re: Alternative Block Chains : be safe!
Post by: mangox on March 09, 2016, 09:15:22 PM
Quote
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.

Very valuable material- Thank you Gavin


Title: Re: Alternative Block Chains : be safe!
Post by: bwstacker1 on March 29, 2016, 06:06:30 PM
I understand alt-chains and the need for them but that 20% is scary, Gavin. But like Kano said, It is open source." Lets just hope Antpool doesnt get crazy.


Title: Re: Alternative Block Chains : be safe!
Post by: Abhi9559 on April 12, 2016, 08:10:25 AM
plz provide me a brief knowledge related to alt coins in a simple way...


Title: Re: Alternative Block Chains : be safe!
Post by: HeroCat on April 21, 2016, 03:44:47 PM
But why we must use virtual machine, because then we must use different OS from host OS ? If we use Windows, we must use Linux then.  ;)


Title: Re: Alternative Block Chains : be safe!
Post by: BitcoinNational on May 22, 2016, 03:19:39 PM
oh the hypocrisy of Gavin being the OP  :-[

Well, quite ironic indeed :).

timestamp is ominous 2


Title: Re: Alternative Block Chains : be safe!
Post by: ruselbd on June 03, 2016, 07:57:45 PM
I  agree with you . That's partly why I haven't messed with the alt chains. I even mentioned this on the announcement thread for lxcoin but it got drowned out with all the excitement about it. >:( >:(


Title: Re: Alternative Block Chains : be safe!
Post by: maju69 on June 28, 2016, 07:28:21 AM
example ?


Title: Re: Alternative Block Chains : be safe!
Post by: poetra2501 on July 23, 2016, 10:29:08 AM
Thank you Brother, Nice advice.


Title: Re: Alternative Block Chains : be safe!
Post by: Tacalt on August 06, 2016, 03:49:12 AM
Question  from a dummy here, by alternative block chain do you mean the block chains some alt coins use and do any alt coins use the same blockchain as bitcoin?


Title: Re: Alternative Block Chains : be safe!
Post by: morantis on August 12, 2016, 02:03:21 AM
He is talking about a hidden hard fork.  You can clone a coin and change nothing but the merkle and basically create a new coin with the same characteristics as the original, but the chain is new.  Conceivably the person could then control that chain and alter TX's to their liking.  It is possible with newer coins, but older ones would be harder to fool enough people.


Title: Re: Alternative Block Chains : be safe!
Post by: DECENT on August 19, 2016, 01:07:12 PM
Have you heard about DECENT (http://sale.decent.ch/)? It's a decentralized content distribution platform.
Join our Slack channel (https://decent-slack.herokuapp.com/) and discuss the network's abilities with our community!


Title: Re: Alternative Block Chains : be safe!
Post by: MeiDiaoShi on August 20, 2016, 04:31:48 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.




I am not very worried about their safety , I am more support to enhance their convenience, so that ordinary people more able to accept them .


Title: Re: Alternative Block Chains : be safe!
Post by: Joint Force on August 24, 2016, 09:41:19 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.



NICE TIPS

This's a must read for everyone!

1) Now in 2016, lots of alternative block-chains use usb thumb sticks with a bootable OS with the wallet pre-installed. You can then save private keys on the usb stick keeping them safe from other apps. These are a great way to stay safe and organized. With exchanges supporting all kinds of hard-forks, some of which include hard-forking away your private keys, you have to have easy access to your coins at anytime.

2) Learn to use a block explorer.



Title: Re: Alternative Block Chains : be safe!
Post by: ricky ryaan on October 16, 2016, 09:16:23 AM
on what kind of coins is this applicable


Title: Re: Alternative Block Chains : be safe!
Post by: mbluxs on November 06, 2016, 06:16:49 AM
Good ... (y)   


Title: Re: Alternative Block Chains : be safe!
Post by: eagle10 on November 12, 2016, 05:01:55 AM
I thought there is new blockchain bec it says " be safe" then saw the date and I realized this post were about those old days of blockchain. I guess, blockcain is fine now and being still a newbie, security measures are strong. Just dont forget to back up and download paper wallet just in case something went wrong. We have to be careful because its about money. Right?


Title: Re: Alternative Block Chains : be safe!
Post by: rasyid_muhammad on November 21, 2016, 12:41:42 AM
whether altcoin recommended for mine


Title: Re: Alternative Block Chains : be safe!
Post by: patrickj on December 11, 2016, 01:38:40 AM
yeah me too. When I first knew about bitcoin I was curious how it work, so everyday I came to read some stuffs on how to earn money without being scammed.

Nice post. Thanks


Title: Re: Alternative Block Chains : be safe!
Post by: pnuts2012 on December 18, 2016, 10:26:06 PM
Wow great info for people to read. Im fairly new to using blockchains and this is great information. I agree with changing passphrases every site you use. I would like to add make sure you run antivirus softwares and firewalls too. Overall great info!! Peace Love and Crypto!!


Title: Re: Alternative Block Chains : be safe!
Post by: Nanda Dewi277 on December 24, 2016, 06:49:16 AM
on what kind of coins is this applicable
blockchain to store or can say bitcoin bitcoin wallet


Title: Re: Alternative Block Chains : be safe!
Post by: Nanda Dewi277 on December 24, 2016, 06:51:26 AM
bitcoin is d best
yes indeed bitcoin is the best coin in the digital world as it is today, traffic bitcoin which continue to climb, make hunting more excited bitcoin


Title: Re: Alternative Block Chains : be safe!
Post by: ioanbtc on December 27, 2016, 09:28:01 PM
What alternative blockchains are you using it? I only use blockchain.info


Title: Re: Alternative Block Chains : be safe!
Post by: artdor on January 18, 2017, 01:05:21 PM
I thought there is new blockchain bec it says " be safe" then saw the date and I realized this post were about those old days of blockchain. I guess, blockcain is fine now and being still a newbie, security measures are strong. Just dont forget to back up and download paper wallet just in case something went wrong. We have to be careful because its about money. Right?

And I recently got hacked. And all because I lightly to safety. Now everywhere all levels of safety included. And put passwords complex and setup authorization 2fa and even confirmation by phone.
Only bitter experience teaches treated with seriousness to more security! Be carefully my friends!


Title: Re: Alternative Block Chains : be safe!
Post by: artdor on January 22, 2017, 07:50:12 PM
Bitbay are about to release a rolling peg

I say buy coins with proper tec behind them!

David Zimbeck is crypto's Bill Gates. He's created BitHalo, NightTrader, 1st true decentralised market, crypto's only double deposit smart contracts (trustless), cold staking and pay via email.
Bitbay is his coin and will explode once he has finished created another crypto 1st which is a rolling peg. All to be finished within 2 months.

 I'm expecting big gains once the rolling peg is implemented.
Everyone will jump into bitbay to hold onto their assists during dumps. It's going to be huge!

It's going to be a huge thing! All the investment companies that deal with Bitcoin will be buying bitbay for this reason! We are talking possible billions of dollars

If I correctly understood you, then Bitbay it crypto currency which shall appear soon? And at what exchange plan it to sell? And whether it is possible to learn more information on it somewhere? If everything is as you speak, then I too not against to get profit.


Title: Re: Alternative Block Chains : be safe!
Post by: AtomicProject on January 30, 2017, 07:20:28 PM
if you have large amount of btc than you must generate address with multiple sign keys start with 3 instead of 1 than you only install bitcoin wallet in your machine and store btc their and don't use and install any thing in that machine this is best way to secure your btc.


Title: Re: Alternative Block Chains : be safe!
Post by: alisus on February 11, 2017, 08:09:55 PM
Yes actually the most secure is to install bitcoin wallet on your computer!
Just stayed Backup every day to keep watch if our computer is damaged
Nothing is safer than Bitcoin wallet in addition to personal computers


Title: Re: Alternative Block Chains : be safe!
Post by: artdor on February 12, 2017, 11:38:14 AM
Yes actually the most secure is to install bitcoin wallet on your computer!
Just stayed Backup every day to keep watch if our computer is damaged
Nothing is safer than Bitcoin wallet in addition to personal computers


I also believe that the most safe way to store them is the local budgets. But I still really like the idea of storing them on your phone. Also it turns out local purse, only always close


Title: Re: Alternative Block Chains : be safe!
Post by: Labumi on March 09, 2017, 08:06:05 AM
No harm in taking every precaution with new software involving money.
Yeah, indeed we must use a system or piece of software that does indeed provide good security in money that we have. But not all new software provides the same security, so as to be able to get a proven software security then we should be able to do a test run in it.You never affected using some software that offers a convenience thing, because sometimes the software only give something useless. find the software you need, not you want!!


Title: Re: Alternative Block Chains : be safe!
Post by: Nanda Dewi277 on April 01, 2017, 06:40:36 AM
yeah I too so, always use a different password on every transaction and I also use a different password on every account I





Title: Re: Alternative Block Chains : be safe!
Post by: EthSports on April 17, 2017, 02:38:07 AM
Having two different passwords for each alt-coin or website isn't that hard. You could do all the generating on an offline computer (where you probably have your offline transaction signing bitcoin client, like Armory). All new passwords for new websites, get to be typed by hand. 12 to 16 characters ought to be enough for a start, then when you get more serious about it, you can extend your password or passphrase length. I consider my office desk and my home table secure enough that I can write down whatever password I needed on paper. Offline. Or, as Bruce Schneier says, stick it in your real life wallet.


Title: Re: Alternative Block Chains : be safe!
Post by: zigoter on May 11, 2017, 01:26:44 AM
Using an alternative crypto key client would be a great way to get many people to install hidden viruses targeting Bitcoin users.

Some people have only one computer and it definitely sucks.

Fortunately a few decades ago they found a virtual machine. Now anyone can have as many computers and OS as they like


Title: Re: Alternative Block Chains : be safe!
Post by: l8genius on May 11, 2017, 03:56:22 AM
I use separate passwords for each wallet i have so that if one password gets compromised, my other passwords are still safe. I also use a password generator so that my passwords will be harder to decrypt.


Title: Re: Alternative Block Chains : be safe!
Post by: adeandrian on May 11, 2017, 05:06:29 PM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.


Title: Re: Alternative Block Chains : be safe!
Post by: M Dian syahputra on May 21, 2017, 06:34:16 AM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.
Good afternoon pack a little question from me who might be a good suggestion for me ..
Has many alt-miners do you have no trouble in running the system?
Or you ask someone to work for you?


Title: Re: Alternative Block Chains : be safe!
Post by: HanscoLeek on May 25, 2017, 09:12:22 AM
Nice posts what I see and good topic to be safe in altcoins. If you read the whitepaper and test the code what the altcoin has, than you can lear a lot about it. June first we are launching a new project Dcorp.it (if you want I would be happy to tell more about it) but we focust on transparanty in every possible way. That's one of the importants things I would look at when to invest in a new project. Myself I invested in Mobilego they raist more than 40 million. Good luck!


Title: Re: Alternative Block Chains : be safe!
Post by: thecryptoconsultant on May 25, 2017, 10:08:23 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.




Thank you Gavin for this piece of information. As the community is growing there will be less and less members that are computer literate and won't be able to do their own due diligence. I am one of them, I can't read code. Do you have a specific Alt-coin in mind ? Do you think that the top 10 network are safe ?

Also the early adopter excitement is what keep this going on. If only bitcoin was available, then new comers might refuse to pay tremendous amount for 100 SAT when they know some early adopter have thousands of bitcoins. And new comers give a shot to a "cheap network" ... just like you did few years ago.

Gavin if you read this it would awesome if you could reply

Subscribe to www.thecryptoconsultant.com newsletter for some Crypto news !

Victor


Title: Re: Alternative Block Chains : be safe!
Post by: aliashraf on May 25, 2017, 04:44:01 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.



I think this old post of Gavin Anderson is somewhat misleading. Regarding current situation with bitcoin, it is definitely necessary and absolutely  possible to switch to a brand new chain without the risks Gavin is frightening us about them.

1- People can simply switch the chain using exactly the same code base that bitcoin uses now!

2- This switch can take place with some minor improvements in the code (not necessarily with small impacts) which can be verified by public and
    maintained easily in a parallel thread with the mainstream development process.

And what would be the catch?

1- We can fix the ASIC nightmare by injecting some 1 GB or so memory footprint to SHA256. Actually I have an Idea for this.

2- We can reconsider block time, block size, ... in accordance with the state of the art.

3- More importantly, we can get rid of miner corporates' and core devs dominance at the same time.

We may fail, not because of security issues (bitcoin code base that we eagerly use is secure more than enough) but because of lack of enthusiasm and commitment. No worries, I'm here for a while, waiting for people who are sensitive enough to become bored with the current 'Game of Thrones' play in the btc space and wise enough to stick with the code rather than trying to imitate Vitalik like a fake cartoon.


Title: Re: Alternative Block Chains : be safe!
Post by: thecryptoconsultant on May 26, 2017, 08:34:07 AM
I missed that is was a post from 2011  ::) . I mean Altcoins have changes a lot ... a lot. Gavin's point of view probably too.


Title: Re: Alternative Block Chains : be safe!
Post by: zapphirecoins on June 02, 2017, 07:31:53 PM
I totally agree with Gavin's opinion.

Maybe I can add what warren buffet quotes is "Rule No.1: Never lose money Rule No.2: Never forget rule No.1.


Everything is back to you. 8)


Title: Re: Alternative Block Chains : be safe!
Post by: bgaf on June 03, 2017, 06:32:42 AM
Mr. Gavin, thank you very much for this information.  It's all true, search more and read more. In that way, we will understand and learn more before we get scammed.


Title: Re: Alternative Block Chains : be safe!
Post by: taxmanmt5 on June 03, 2017, 06:15:07 PM
Just note that there does not even have to be a change in code, simply recompiling and relaunching would create a secondary chain.  People need to grasp the mechanics of the background process to understand everything or they will get washed under one day.


Title: Re: Alternative Block Chains : be safe!
Post by: megynacuna on June 05, 2017, 07:13:02 PM
I missed that is was a post from 2011  ::) . I mean Altcoins have changes a lot ... a lot. Gavin's point of view probably too.

Exactly this thread was started about 6 years ago and a lot have evolved from the cryptocurrency world and so I think we just need to pick out the relevant points that are valid for the present and discard the others but I won't underestimate the important insight he's given all of us.


Title: Re: Alternative Block Chains : be safe!
Post by: yusuf98 on June 06, 2017, 08:30:58 AM
yeah I too so, always use a different password on every transaction and I also use a different password on every account I




So like that, I just found out if it should be a password. Thank you for the information :)


Title: Re: Alternative Block Chains : be safe!
Post by: honestis.network on June 07, 2017, 08:53:57 AM
yeah I too so, always use a different password on every transaction and I also use a different password on every account I




So like that, I just found out if it should be a password. Thank you for the information :)

Is it safe ?
If you have safe method of storing password than once a 3-6 month is enough to change it, if you have not safe method for storing password changing it everyday or every time you done transaction gives you more chances to make mistakes.

Some old wallet implementations had problem with generating random k for Bitcoin transaction and changing bitcoin account and key after each transaction was reasonable that days, but it was long time ago.

Changing password every time looks just like much work, if you will be tired you will make mistake.


Title: Re: Alternative Block Chains : be safe!
Post by: MostHigh on June 07, 2017, 01:01:52 PM
This is terrific information. Garving. i wanted to join the bitcoin train a year ago but i was skeptical and paranoid about malware and virus. This is has given the chance on knowing hw to let it work


Title: Re: Alternative Block Chains : be safe!
Post by: yusuf98 on June 08, 2017, 08:14:03 AM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.
If it can use one computer using some miner tool whether it can be profitable fore?


Title: Re: Alternative Block Chains : be safe!
Post by: selline on June 20, 2017, 06:56:58 PM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.
If it can use one computer using some miner tool whether it can be profitable fore?

in my opinion, if you want a more secure we recommend using a single computer by using some of the tools that will be useful for miners the future of the future


Title: Re: Alternative Block Chains : be safe!
Post by: yohananaomi on June 21, 2017, 03:15:24 AM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.
If it can use one computer using some miner tool whether it can be profitable fore?

in my opinion, if you want a more secure we recommend using a single computer by using some of the tools that will be useful for miners the future of the future

Also confusing with some posts from agan, I use one computer for avoiding my own confusion, is there any best solution using one computer?


Title: Re: Alternative Block Chains : be safe!
Post by: Minerolero on June 21, 2017, 12:31:44 PM
Good advice.

Using an alternate cryptocurrency client would be a great way to get many people to install a hidden virus that targets Bitcoin users.

If you have a significant amount of Bitcoins, I wouldn't run other clients on the same computer until the alternates have developed trust over a longer period of time... I'm probably on the paranoid side of things though.

These new cryptocurrencies are interesting, and it will be fascinating to see how it will all play out. 

I think we can´t even say that those precautions make you paranoid, its just being safe. There are so many altcoins being launched, and a LOT of scammers out there...  I should be doing as you said: using another computer or maybe in a virtual machine (that may not even be enought) to run for example, a wallet software of some altcoin that i may eventually try. For a matter of lazyness, i am not doing that, but i use to check any file i download with online and offline security tools.


Title: Re: Alternative Block Chains : be safe!
Post by: avianvian09 on July 12, 2017, 11:00:50 AM
i prefer to use blockchain. sometime its reall fast when transaction .
Yes same better use Blockchain if I. Blockchain on Bitcoin is a decentralized system. Bitcoin means not influenced any Government policy which may just carries a bad influence in the system. Bitcoin is also an example of the success of the system over peer-to-peer without a central controller that controls the operations of the system. Bitcoin can just replace credit cards and debit cards in the future.


Title: Re: Alternative Block Chains : be safe!
Post by: dzkrb on July 12, 2017, 09:48:05 PM
The question is: can a virus with a code blockсshain the virus? I think it's elementary. And if the computer has some valuable information, what can prevent the theft of this information or money?


Title: Re: Alternative Block Chains : be safe!
Post by: furylmz on July 15, 2017, 08:42:49 PM
The question is: can a virus with a code blockсshain the virus? I think it's elementary. And if the computer has some valuable information, what can prevent the theft of this information or money?

Exactly.Difficult to avoid.I need to use macos for it.I feel comfortable


Title: Re: Alternative Block Chains : be safe!
Post by: dzkrb on July 16, 2017, 07:36:37 PM
The question is: can a virus with a code blockсshain the virus? I think it's elementary. And if the computer has some valuable information, what can prevent the theft of this information or money?

Exactly.Difficult to avoid.I need to use macos for it.I feel comfortable

What is macos? Antivirus?


Title: Re: Alternative Block Chains : be safe!
Post by: soerklike on July 17, 2017, 05:01:25 AM
I have a spare computer, just like bitcoin, where the money needed to move is in a wallet, and the big money is stored on a computer for security  ;)


Title: Re: Alternative Block Chains : be safe!
Post by: deddod01 on July 18, 2017, 03:13:04 PM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.

Sorry friend.....
I have one computer unit and it's fine. Precisely using many computers would be a lot of emails will also arouse suspicion of its use for what. And that's not good ..


Title: Re: Alternative Block Chains : be safe!
Post by: Aliya Taj on July 18, 2017, 05:08:07 PM
You have to really be careful and very cautious of the third party software.


Title: Re: Alternative Block Chains : be safe!
Post by: Rags2Rickius on July 19, 2017, 02:59:29 PM
we need to buy coins with proper tech behind them. so i just study their coding.


Title: Re: Alternative Block Chains : be safe!
Post by: Praetorian.1legion on July 20, 2017, 05:43:26 PM
No one is immune from losing money. You have to be careful when working with crypto-currencies. There are many risk factors: you can get to phishing, you can become a victim of a virus, you can not correctly specify the address and much more.


Title: Re: Alternative Block Chains : be safe!
Post by: LeeMinHoa on July 29, 2017, 06:23:13 AM
i don't really encounter this yet but i believe this might be possibly nowadays. knowing the boundaries of technology nowadays is so wide and broad. if it will be happening i don't this will be use in good purpose. as you mention in your trend. it can be used to hacking activities or even worst. as a venturer here on crypto word let's just not hope for this kind of thing to happen.


Title: Re: Alternative Block Chains : be safe!
Post by: codehtcmail on August 01, 2017, 10:27:45 AM
I think this thread should be locked so no one will make their own advertising on it here.


Title: Re: Alternative Block Chains : be safe!
Post by: BlockHazard on August 04, 2017, 11:55:41 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.




Thank you, Gavin.
Good advice. this is a very important thing, and all people must know and understand about that.



Title: Re: Alternative Block Chains : be safe!
Post by: danielogalue on August 04, 2017, 08:15:28 PM
Yes Gavin, Thats a good starter for me, a newbie in cryptocurrency. In fact i want to understand how to read a whitepaper so i can identify useless altcoins. thanks. kick start my adventure soon.


Title: Re: Alternative Block Chains : be safe!
Post by: mevmike on August 09, 2017, 04:31:54 AM
tnx for these very valuable info...
these will really help a lot of beginners like me....
will try to follow your guidelines on future things i want to do.
:D


Title: Re: Alternative Block Chains : be safe!
Post by: fredrickodo on August 09, 2017, 06:57:44 AM

You just need one portable bitcoin client that can safely reside on an encrypted and backed up volume


Title: Re: Alternative Block Chains : be safe!
Post by: SMSCHAIN on August 10, 2017, 03:13:55 PM
i prefer to use blockchain. sometime its reall fast when transaction .
Yes same better use Blockchain if I. Blockchain on Bitcoin is a decentralized system. Bitcoin means not influenced any Government policy which may just carries a bad influence in the system. Bitcoin is also an example of the success of the system over peer-to-peer without a central controller that controls the operations of the system. Bitcoin can just replace credit cards and debit cards in the future.
Hi avianvian09, "Blockchain on Bitcoin is a decentralized system". But how do you think it can work with alternative currencies? Do you have examples? Thank you!


Title: Re: Alternative Block Chains : be safe!
Post by: casey.anthony195 on August 11, 2017, 03:58:17 PM
That is really interesting and thorough way of making sure your investments are safe. Could you tell me more about how to make sure that a certain crypto can't be exploited by hackers?


Title: Re: Alternative Block Chains : be safe!
Post by: Jake Roberson on August 11, 2017, 04:01:46 PM
Thanks God, BTC is well-developed blockchain, so you don't ave an excuse not to work with other brokers!


Title: Re: Alternative Block Chains : be safe!
Post by: oreits11 on August 11, 2017, 07:05:00 PM


the decentralized network with the appeals on building of the system as

users from the different basics of ideal preference to defines with decision as appealing of customs with the appreciation as focusing of ones with the majors on examination

to becomes of parts with the network of chains as improving the use on strategics as displacing unit of disposition of funds with the decision as entering field.



Title: Re: Alternative Block Chains : be safe!
Post by: dracolumina on August 15, 2017, 06:51:33 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.




Thank you, Gavin.
Good advice. this is a very important thing, and all people must know and understand about that.


Glad that you mentioned money and time being equally valuable in this equation. Good Advice!


Title: Re: Alternative Block Chains : be safe!
Post by: minobia on August 16, 2017, 12:08:22 AM
Good advice.

Using an alternate cryptocurrency client would be a great way to get many people to install a hidden virus that targets Bitcoin users.

If you have a significant amount of Bitcoins, I wouldn't run other clients on the same computer until the alternates have developed trust over a longer period of time... I'm probably on the paranoid side of things though.

These new cryptocurrencies are interesting, and it will be fascinating to see how it will all play out. 

I would not call it paranoid, but prevention is a good thing. We never know what is hidden in other clients and i think you just gave a good advice to everyone reading your post.


Title: Re: Alternative Block Chains : be safe!
Post by: tokenwing on August 17, 2017, 03:47:09 AM
Gavin still read this thread? How about DAG, native scalable, totally new area about blockchain.


Title: Re: Alternative Block Chains : be safe!
Post by: alexjhons on August 17, 2017, 01:57:30 PM
The thing is why changing different password should be limited to exchanges only, it too applies on forums, emails, and even pools, and that some antivirus heuristics appear to loathe anything that has mining code in it and isn't unequivocally whitelisted.


Title: Re: Alternative Block Chains : be safe!
Post by: sms301 on August 21, 2017, 04:01:40 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.





This is the rule I started to follow. Also, I try to connect with like minded people either in a group or forum.  I know we shouldn't blindly trust people that we don't know but I believe, trust is another element in crypto community.


Title: Re: Alternative Block Chains : be safe!
Post by: Rj Manik on August 27, 2017, 11:28:00 AM
I'm very happy that the Block Chains now offers more protection than ever before.There is no comparison with this decentralized network.So keep your password be hidden and be safe.


Title: Re: Alternative Block Chains : be safe!
Post by: nodav on August 27, 2017, 09:04:40 PM
Hi, All!

Who can advice about this coin- ATBcoin? Some people say this is scam!


I do not think this is a scam. I think that this is a good project. But all the ranks must be neat. Will test


Title: Re: Alternative Block Chains : be safe!
Post by: zohem on August 28, 2017, 08:34:45 AM
Good advice.

Using an alternate cryptocurrency client would be a great way to get many people to install a hidden virus that targets Bitcoin users.

If you have a significant amount of Bitcoins, I wouldn't run other clients on the same computer until the alternates have developed trust over a longer period of time... I'm probably on the paranoid side of things though.

These new cryptocurrencies are interesting, and it will be fascinating to see how it will all play out. 


Title: Re: Alternative Block Chains : be safe!
Post by: Muhammad Muneeb on August 28, 2017, 08:03:51 PM
Good Advise. some people who knows blockchains  try to scam the people to steal their money. I have heard of oneCoin who has a private blockchain I feel sorry for people when I hear that they ha invested in oneCoin.


Title: Re: Alternative Block Chains : be safe!
Post by: kchulani on August 28, 2017, 10:29:46 PM
I know there has been a lot of skepticism on EOS, But I believe that is one blockchain that still has something to prove. Now I would definitely consider buying 2 months before the ICO is over.


Title: Re: Alternative Block Chains : be safe!
Post by: sanjeev.lamani@ on August 29, 2017, 02:52:07 AM
There are many crypto currency has been introduced but every functional on block chain technology then why so many currency needed it can't be done on single currency.
I get thoughts for may be it can be scam.

Any suggestion on thoughts.


Title: Alternative Block Chains : be safe!
Post by: alexjhons on August 29, 2017, 06:45:47 AM
Great Infomation Gavin...!!!!

I agree with you and other users. Use different passwords, emails and pics for the same.




Title: Re: Alternative Block Chains : be safe!
Post by: 2ramadhani on August 29, 2017, 09:21:46 AM
Grateful if really safe, because if not safe we are hesitant to join the project ...


Title: Re: Alternative Block Chains : be safe!
Post by: pairinpay on August 30, 2017, 03:00:34 AM
Be carefully guys.
Use different passwords, emails and pics for the same.


Title: Re: Alternative Block Chains : be safe!
Post by: Gens09 on August 30, 2017, 09:35:58 AM
One would think that someone who even tries to code knows to rather not say such things to programmers, lol :)


We should always be vigilant. Schemers are everywhere like a lion waiting for someone to devour. We have to be careful we better use a safe wallet or even use different a different email.


Title: Re: Alternative Block Chains : be safe!
Post by: michaeljwiltshire on August 30, 2017, 11:40:09 AM
Hi Gavin,

All good questions. When Bitcoin started it was geared very much towards the business owners and not the consumers so you will find many more advantages to use them if you are a business owner. This does mean that more and more businesses will eventually start using some form of cryptocurrency so if you are buying new coins make sure you research the company and check the unique properties they can offer businesses, this will be a big factor in the success of the coin.

Safety for consumers is a late arrival in the cryptocurrency party, but many new coins are writing rules into the block chains that do protect you. Check Electroneum for the safest new currency, which allows you to store your wallet off-line, meaning that hackers can not get to it at all. They are currently the only coin to offer this.

Many new currencies are scams, but a little research into the brand will usually raise some warning flags. Look into their named investors, if they are multimillion dollar business traders then you should be safe, these people are risking their own money for a big payoff, they aren't trading their first class reputation in business development to scam regular people out of $1000 or more.  ;D


Title: Re: Alternative Block Chains : be safe!
Post by: Qunenin on August 31, 2017, 03:05:37 PM
Just a side note here. I recently saw, having nothing at all to do with crypto currency, a specific virus type that can operate inside and outside of a virtual machine. Now this particular think doesn't really apply here because it encourages the people to download app reconstructed virtual machine image, and then it outside file allows that virtual disk to be opened even while the emulator is not operating.


Title: Re: Alternative Block Chains : be safe!
Post by: nodav on September 01, 2017, 08:24:13 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.



Thank you for your thoughts, and for the instruction. Just what I was looking for. Very useful and cognitive.


Title: Re: Alternative Block Chains : be safe!
Post by: michaeljwiltshire on September 01, 2017, 11:02:02 AM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.

One computer can be enough for the newbies if they act fast enough on new coins, but you are right the more the merrier. especially as mining is becoming faster and cheaper now.


Title: Re: Alternative Block Chains : be safe!
Post by: michaeljwiltshire on September 01, 2017, 11:29:11 AM
Just a side note here. I recently saw, having nothing at all to do with crypto currency, a specific virus type that can operate inside and outside of a virtual machine. Now this particular think doesn't really apply here because it encourages the people to download app reconstructed virtual machine image, and then it outside file allows that virtual disk to be opened even while the emulator is not operating.

Great. do you know where we can get this? Just kidding.

The virus would still need to beat the offline password and reconnect to the internet and transfer with another password which would be traceable.


Title: Re: Alternative Block Chains : be safe!
Post by: jonatuzc on September 02, 2017, 11:18:17 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.


So in words, right this second, there is a virus that can access a virtual disk while the emulator is not running. At this moment you would have to specifically download that file and the virtual hard disk goes with it. But, that means it is not too much off in the future where that same virus type will be expanded into different uses.


Title: Re: Alternative Block Chains : be safe!
Post by: jostorres on September 02, 2017, 11:33:23 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.


I assume the idea of developing a virus like this is not to attack cryptocurrency world, but to allow attacks within a VPS. Personally, every single new piece of crypto currency software be it a wallet, coin, blockchain or whatever, I operated on a completely isolated PC.


Title: Re: Alternative Block Chains : be safe!
Post by: NeonXL on September 03, 2017, 02:02:29 PM
okay, but what with assets?


Title: Re: Alternative Block Chains : be safe!
Post by: digaran on September 08, 2017, 11:36:08 AM
Thanks for the information gavin because it is very useful for bitcoin members to be applied at any time and add a broader knowledge in the online world well and certainly more regularly in running a job later.
I am just curious to know king Gavin's opinion about thousands of new coins and blockchains with their new wallets and codes, I don't think back in 2011 there were more than a few alt coins, but I think he's banned or thanks to Satoshi he is so rich that being a part of this community is below him.

I'd like to add something here:

When you see a self moderated thread for an alt coin despite many replies don't be stupid to think if there are so many pages and so many replies it must be something legit, it's not and every single one of them are shady projects or scam pure and simple.


Title: Re: Alternative Block Chains : be safe!
Post by: sch_lau on September 09, 2017, 04:05:57 PM
I've been experimenting with altcoins for a few months now but I'm still no real expert on the subject. Before buying I read through white papers quickly and try to look for additional information on the web in order to find out its legitimacy. So far I haven't had a problems with my wallets and software, but I was wondering if it is in anyway possible to fall into a trap and end up buying something which I think is a coin but in reality a virus or something that could affect my software or my wallets?


Title: Re: Alternative Block Chains : be safe!
Post by: Opporty_ico on September 12, 2017, 09:16:44 PM
Most of the new coins coming out daily are created by ignorant developers. Now that's scary.


Title: Re: Alternative Block Chains : be safe!
Post by: ljtronics on September 13, 2017, 06:07:57 AM
Good advice ! Anyway you can point me the right direction in terms of being able to read and understand the code the quickest way ? Please don't tell me to go to class lol, i hate classroom :D


Title: Re: Alternative Block Chains : be safe!
Post by: RebelAngel on September 14, 2017, 12:51:34 PM
I'm sure that traditional financial institutions be affected by Blockchain technology in the future or even replaced by it, but before the more extensive monetary administrations and managing an account enterprises move to blockchain  we should be aware of scammers and be careful in our choice.
Thank you so much for this instruction!)  :)


Title: Re: Alternative Block Chains : be safe!
Post by: kambaralikhan on September 15, 2017, 09:42:36 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.


Thanks Gavin, really helpful information and I would like to add people must have a knowledge what a blockchain actually is and it would help them alot to cope with many issues.
https://blockgeeks.com/guides/what-is-blockchain-technology/


Title: Re: Alternative Block Chains : be safe!
Post by: sameerghimire on September 16, 2017, 08:12:43 AM
Hi, I am new to the crypt world and the technical one too.
You sounded like people like us with no technical background wont be able to judge if the upcoming project is good or bad.

My question is - Is the whitepaper and the roadmap good enough for you to understand the project? Cant it be misleading sometimes? Is it really necessary to understand the codes in order to know the vulnerability of the project?

Any advice would be appreciated.


Title: Re: Alternative Block Chains : be safe!
Post by: Cortes_Cripto on September 16, 2017, 05:59:12 PM
I agree with the previous speakers, I believe that passwords are appropriate to use different


Title: Re: Alternative Block Chains : be safe!
Post by: cryptopass on September 16, 2017, 06:26:16 PM
Far from being an unprecedented breakthrough, with unintended consequences, the blockchain technology stack is a culmination of decades of cryptography and security research.

The 1970s cryptography breakthrough of the Merkle tree and the distributed hash tables of the 1990s combine to create autonomy, fault tolerance and scalability for distributed systems. They're the tools that built famous decentralised applications like BitTorrent, Napster and Freenet.Bitcoin's most impressive contribution is recognising the synergies between this field of distributed communications and file sharing systems, and digital currencies, which had seen many false starts prior to Bitcoin's success since 2009.

The key was Hashcash, a system proposed in 1997 to limit and suppress email spam and denial-of-service attacks. Hashcash is an algorithm that requires the sacrifice of processing power as a security mechanism. This proof-of-work creates the incentive structure and network verification that now powers cryptocurrencies.

The final step is the addition of smart contracts to the blockchain stack, a name coined by Nick Szabo as early as 1993. Smart contracts are algorithmic; a type of self-executing code which enables more complex asset transfer and the automated exchange of rights. These are the building blocks of a complete programming language, and the more advanced blockchain applications such as those envisioned by Ethereum.

What we get is a set of security tools that are very good at coordination between mutually unknown actors and secure data or value transfer. We think of blockchains as having four key characteristics to this end: they're cryptography-based, distributed, peer to peer, and, in many cases, open source.


Title: Re: Alternative Block Chains : be safe!
Post by: bountyhunter1313 on September 17, 2017, 12:54:00 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.


This is gold. Solid advice is solid. Thanks Gavin, if you are reading this :)


Title: Re: Alternative Block Chains : be safe!
Post by: aztecminer on September 18, 2017, 11:38:47 PM
source code of any alt must audit


Title: Re: Alternative Block Chains : be safe!
Post by: onesalt on September 19, 2017, 09:40:50 PM
Thanks Gavin, really helpful information and I would like to add people must have a knowledge what a blockchain actually is and it would help them alot to cope with many issues.
https://blockgeeks.com/guides/what-is-blockchain-technology/
Helpful source. There are many people around me having any idea about blockchain technology but they use most of they money for investment. Having information is a must before investing. This is another explanatory page, a visual demo of the technology for those who may be interested: https://anders.com/blockchain/ (https://anders.com/blockchain/)


Title: Re: Alternative Block Chains : be safe!
Post by: truncus on September 24, 2017, 05:45:21 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.



a very realistic detection. I agree with your thoughts. Investing is a crazy investment.


Title: Re: Alternative Block Chains : be safe!
Post by: Ging on September 24, 2017, 07:56:31 PM
indeed there is an overgrowing fear especially on Bitcoin like for example the double spent move but for me the biggest fear is from the so called cryptocurrency regulations. >:(


Title: Re: Alternative Block Chains : be safe!
Post by: Yhotolu on September 24, 2017, 08:16:45 PM
Good advice so as not to get caught by scammers who will use your pc's resources.


Title: Re: Alternative Block Chains : be safe!
Post by: steveouttrim on September 25, 2017, 02:57:21 AM
indeed there is an overgrowing fear especially on Bitcoin like for example the double spent move but for me the biggest fear is from the so called cryptocurrency regulations. >:(

It is hard to keep up with the speed of regulation change, and also with the number of ICOs


Title: Re: Alternative Block Chains : be safe!
Post by: AlexDuma on September 25, 2017, 06:34:43 PM
indeed there is an overgrowing fear especially on Bitcoin like for example the double spent move but for me the biggest fear is from the so called cryptocurrency regulations. >:(

It is hard to keep up with the speed of regulation change, and also with the number of ICOs
agree with you now a lot of bad ICO


Title: Re: Alternative Block Chains : be safe!
Post by: StevenRA on September 26, 2017, 05:56:04 AM
indeed there is an overgrowing fear especially on Bitcoin like for example the double spent move but for me the biggest fear is from the so called cryptocurrency regulations. >:(

It is hard to keep up with the speed of regulation change, and also with the number of ICOs

Definitely both issues, though personally I'd focus more on distilling the bad (and the really bad) from the good, since a. regulations aren't necessarily predictable or within our control, and b. there's so much out there, and so much of it is horrendous.


Title: Re: Alternative Block Chains : be safe!
Post by: cryptobiker on September 26, 2017, 01:21:00 PM
Thanks Gavin, really helpful information and I would like to add people must have a knowledge what a blockchain actually is and it would help them alot to cope with many issues.
https://blockgeeks.com/guides/what-is-blockchain-technology/
Helpful source. There are many people around me having any idea about blockchain technology but they use most of they money for investment. Having information is a must before investing. This is another explanatory page, a visual demo of the technology for those who may be interested: https://anders.com/blockchain/ (https://anders.com/blockchain/)

Thanks for a wonderfully composed explanatory video... super informative


Title: Re: Alternative Block Chains : be safe!
Post by: GayOfThrones on September 26, 2017, 05:51:40 PM
Thank you for your advice..
Actually right now I am considering investing on RISE so I am researching and looking more into it...thanks

I've heard about RISE but didn't understand if it's really worth. What do you know?


Title: Re: Alternative Block Chains : be safe!
Post by: edir_ruvall on September 27, 2017, 01:49:19 PM
Helpful, thanks. But if I don't use virtual machine it really risky? If it is, how to use it?


Title: Re: Alternative Block Chains : be safe!
Post by: DrToken on September 28, 2017, 07:18:38 PM
Helpful, thanks. But if I don't use virtual machine it really risky? If it is, how to use it?
I'm a newbie, but as far as I know you need to downoload specific soft (like VirtualBox. It's free, by the way). And then you get your own new HDD)
Maybe this article will be helpful: https://www.howtogeek.com/196060/beginner-geek-how-to-create-and-use-virtual-machines/


Title: Re: Alternative Block Chains : be safe!
Post by: OZZYMANDIAS on September 28, 2017, 09:13:00 PM
so what happens if you only use one computer system?


Title: Re: Alternative Block Chains : be safe!
Post by: boulecoin on September 29, 2017, 03:32:40 PM
indeed there is an overgrowing fear especially on Bitcoin like for example the double spent move but for me the biggest fear is from the so called cryptocurrency regulations. >:(

It is hard to keep up with the speed of regulation change, and also with the number of ICOs
agree with you now a lot of bad ICO

it depends on  the project not ICO


Title: Re: Alternative Block Chains : be safe!
Post by: dzkrb on September 29, 2017, 03:45:34 PM
Question to the author. We all here have read your message. Did I understand correctly that we are talking about the fact that bitcoin is helpless against hacker attacks? Or he does not stand up to criticism, if we say that his endless chain is preparing his death? Bitcoin also reminds me of the old computer game of Snake. This is when you have a small snake moving around the screen, consisting of characters and passing through the characters it grows its tail, until she herself does not sting it for him? But, this does not prevent people from earning on bitcoins. Then why fool yourself?


Title: Re: Alternative Block Chains : be safe!
Post by: helin9108 on September 29, 2017, 05:46:56 PM
Blockchain is hosted by billions of computers around the world so that it is not controlled by any single person. Each process in the blockchain network owns a full copy of every transaction or movement of the data on the blockchain, it mean that the details and history of the transaction are traced.Despite historically being used to handle financial transactions, the security and reliability of blockchain technology means that it can be applied to other areas and industries. I thinkt there are three benefits that blockchain technology can provide are: (1)The increase in security and trust. (2) Reduced costs. (3)Accelerated transactions.


Title: Re: Alternative Block Chains : be safe!
Post by: Dakshkapoor on September 30, 2017, 05:54:06 PM
According to me we should first have a detail study of other alternative blokchains and then select the write one.I am a Newbie, we may use different virtual machines.We should first know whether it is a scam or it is a right thing before spending money and time on it.


Title: Re: Alternative Block Chains : be safe!
Post by: btcpt on October 01, 2017, 08:58:55 PM
That is really interesting and thorough way of making sure your investments are safe, you should always use one computer with good security just for it


Title: Re: Alternative Block Chains : be safe!
Post by: edir_ruvall on October 02, 2017, 02:06:30 PM
Helpful, thanks. But if I don't use virtual machine it really risky? If it is, how to use it?
I'm a newbie, but as far as I know you need to downoload specific soft (like VirtualBox. It's free, by the way). And then you get your own new HDD)
Maybe this article will be helpful: https://www.howtogeek.com/196060/beginner-geek-how-to-create-and-use-virtual-machines/
Thnx, I will read it definitely. Thought it'll be more complex


Title: Re: Alternative Block Chains : be safe!
Post by: Arje17 on October 02, 2017, 03:04:25 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.



As a newbie this very interesting..I also mine another altcoin other than Bitcoin and that's Rise.. Thanks for this informatio.


Title: Re: Alternative Block Chains : be safe!
Post by: dzkrb on October 02, 2017, 09:57:22 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.



As a newbie this very interesting..I also mine another altcoin other than Bitcoin and that's Rise.. Thanks for this informatio.
Question to the author. You have a very large rank. You have been engaged in crypto currency for a long time or should be engaged. If you have so many doubts in the crypt, why are you here? If you like philosophy, I'll understand. On this crypto currency, people earn good money, which they translate into fiat and at the same time they live well. And they do not care if they're candy wrappers, as they can be earned on them. Now ask yourself a question. Why do you need all this your philosophy, if it interferes with earning?


Title: Re: Alternative Block Chains : be safe!
Post by: zhukovt34 on October 03, 2017, 05:49:30 PM
so much precious staff here
only to use it as much as you can,
only up


Title: Re: Alternative Block Chains : be safe!
Post by: ldah94 on October 04, 2017, 12:46:12 AM
what you say are universals rules before the arrival of something new that generates doubt and distrust and thanks for naming them, sometimes for the fact of investing in a new currency thinking that its price is going to overflow we are dazzled and forget these rules. always before new investment we must think well and be cautious and the rest is only luck


Title: Re: Alternative Block Chains : be safe!
Post by: HertzCoin on October 05, 2017, 08:36:28 AM
what is the safest way to keep your altcoins safe?
I suppose storing all funds in different wallets is just not enough
what tricks , guys, do you have?


Title: Re: Alternative Block Chains : be safe!
Post by: eodchop on October 05, 2017, 08:44:14 AM
I hope that further on it will be more transparent to understand if Alternative Block Chains  are scam or not


Title: Re: Alternative Block Chains : be safe!
Post by: yugyug on October 05, 2017, 11:16:14 PM
Also, don't believe everything that prominent members of the Bitcoin community have to say about alternative chains. In particular, I know some people think that the number of confirmations doesn't matter and all that matters is the total expected time of the confirmations, so that 1 10-minute-average confirmation is more secure than 3 3-minute-average confirmations. If you read Satoshi's paper it's clear this isn't true; the number of confirmations is actually more important because transaction security increases exponentially with more confirmations. (His paper has approximate figures; you'll notice that accepting 1 and 2-confirmation transactions is fairly risky.)

Fast is vulnerable, i will always think why that the bitcoin transactions can't be as fast as VISA and why does it too long like more than 5 minutes. Then i realize that security is more important than speed. We can be fast but it can't decentralized or we need another third party entity to cater that services but the danger of security is a risk. This is like the case of Equifax's data breach where they handle third party service for VISA transactions.If Lightning Network proposal is implemented, the integrity of data security is quite doubtful.


Title: Re: Alternative Block Chains : be safe!
Post by: nikrazor on October 06, 2017, 07:05:33 AM
hey.... one just have to b very careful ....gone scam on my first transaction... luck me d cash was little  :'(


Title: Re: Alternative Block Chains : be safe!
Post by: HertzCoin on October 06, 2017, 07:57:19 AM
rather useful post
but now so many projects appear at market every day
really in a rush to get profit I don't ask even a half of questions to myself


Title: Re: Alternative Block Chains : be safe!
Post by: luffare on October 07, 2017, 08:30:54 AM
Fast is vulnerable, i will always think why that the bitcoin transactions can't be as fast as VISA and why does it too long like more than 5 minutes. Then i realize that security is more important than speed. We can be fast but it can't decentralized or we need another third party entity to cater that services but the danger of security is a risk. This is like the case of Equifax's data breach where they handle third party service for VISA transactions.If Lightning Network proposal is implemented, the integrity of data security is quite doubtful.

Conclusion: the more longer the more secure!
Thx a lot for your warning!


Title: Re: Alternative Block Chains : be safe!
Post by: diwataluna on October 07, 2017, 04:11:12 PM
I'm usually a lurker in crypto groups and have exercised restraint when it comes to giveaways and airdrops of new altcoins. I work for a cybersecurity company and read a lot of scam and hacking stories. Safety and security in technical (IT) terms is not my strong suit. In general, when you do decide to install software for a new altcoin, I agree with the others who suggested using a separate machine. Especially for newbies like me, because we don't know how to look "under the hood" to check that malware or keylogger is not packaged with any new downloads and installs.


Title: Re: Alternative Block Chains : be safe!
Post by: satish37 on October 08, 2017, 01:04:18 AM
Alternative Block Chains, it is nothing more the the fear of uncertainty and doubt or let say fear of owns doubt


Title: Re: Alternative Block Chains : be safe!
Post by: downsouth on October 08, 2017, 10:39:01 AM
There's way too many blockchains whom have overpromised and undelivered, we will see a lot more soon failing.


Title: Re: Alternative Block Chains : be safe!
Post by: steveouttrim on October 09, 2017, 12:17:37 AM
Every other technology has come and gone in waves, before breaking through to the mainstream. There will be boom and bust cycles on various blockchains. However it does seem that BitCoin has withstood everything thrown against it at this point.

Also, we still don't know where it came from. Whoever the organization is behind BitCoin, they are likely very powerful. Powerful enough to eliminate rival blockchains? Quite possibly. Look at the Silk Road, he had hundreds of thousands of BTC and was organizing hits.

Alternate blockchains built on deep state platforms like Microsoft and IBM might be a less risky bet.



Title: Re: Alternative Block Chains : be safe!
Post by: nynextek on October 09, 2017, 09:35:28 AM
I don't know about any group being able to eliminate rival block chains unless they are somehow able to find an exploit. I'm not a block chain pro or coder but I wonder if that's possible as well. Hmmmm


Title: Re: Alternative Block Chains : be safe!
Post by: IQ Coin on October 10, 2017, 02:07:26 PM
I though that cyber safety is a common issue these days.
If you keep your bank card details secret, why should you reveal your crypto assets data.
Be smart and do not trust any one online, especially those who offer easy and fast fortune.


Title: Re: Alternative Block Chains : be safe!
Post by: lourdzwess on October 10, 2017, 04:02:31 PM
Is IOTA an alternative blockchain?


Title: Re: Alternative Block Chains : be safe!
Post by: HertzCoin on October 11, 2017, 07:21:02 AM
storing your cryptocurrency in outer memory of your computer can be useful
using several memory cards can help also
now it is so hard to protect your BTC


Title: Re: Alternative Block Chains : be safe!
Post by: DAO Fund on October 12, 2017, 05:44:47 AM
I agree with the original OP; however, this shouldn't discourage people from investing if your sole purpose is to make money.  If you aren't looking to hold any coins long-term, you can trade off of the momentum and volatility alone and make money.


Title: Re: Alternative Block Chains : be safe!
Post by: 1kings on October 13, 2017, 05:14:07 PM
Good advice.

Using an alternate cryptocurrency client would be a great way to get many people to install a hidden virus that targets Bitcoin users.

If you have a significant amount of Bitcoins, I wouldn't run other clients on the same computer until the alternates have developed trust over a longer period of time... I'm probably on the paranoid side of things though.

These new cryptocurrencies are interesting, and it will be fascinating to see how it will all play out. 

That's true. I wouldn't want to risk my coins on any unproven "alternative" blockchain.


Title: Re: Alternative Block Chains : be safe!
Post by: jhongzjhong on October 16, 2017, 02:13:46 PM
In my own idea Blockchain is hosted over all of computers around the world so that it is not controlled by only one person. Each process in the blockchain network have a full copy of every transactions on the blockchain, it means that every details and history of the transactions are traced. Besides historically being used to handle financial transactions, the security and reliability of blockchain technology means that it can be applied to other areas and industries. But there are many scammers be careful in every online transactions they are hidding and ready to attack.


Title: Re: Alternative Block Chains : be safe!
Post by: Obi2024 on October 17, 2017, 01:24:28 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.



Thanks a lot for the info @Gavin Andresen, better to be safe than sorry.
It's good to be careful and all that, but there are very good guys who are developing alt chains that are very good, i would even like you to look into one if you will have the time, can i pm/email you with the info?


Title: Re: Alternative Block Chains : be safe!
Post by: HertzCoin on October 20, 2017, 07:20:03 AM
if you have a lot of btc -don't store all of them on PC
Please, divide storage places


Title: Re: Alternative Block Chains : be safe!
Post by: stefek99 on October 21, 2017, 11:04:50 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.



Thanks a lot for the info @Gavin Andresen, better to be safe than sorry.
It's good to be careful and all that, but there are very good guys who are developing alt chains that are very good, i would even like you to look into one if you will have the time, can i pm/email you with the info?

Original post from 2011, and yet so up to date!

Now the security is more important than ever...

Speaking of alternative blockchains - there are not that many wallets supporting more than 10-15-20 currencies...


Title: Re: Alternative Block Chains : be safe!
Post by: Paulcrypt on October 21, 2017, 01:49:42 PM
This way security is assured, as no third parties are involve and no one holds the “keys”:  8)


Title: Re: Alternative Block Chains : be safe!
Post by: Coinguru1976 on October 22, 2017, 12:31:13 AM
Just came across this new coin, heard about it a lot in Asia while I was there.  Check out the website

www.88coin.io

Considering investing in it, have a feeling it will sell out fast


Title: Re: Alternative Block Chains : be safe!
Post by: Sarah08 on October 22, 2017, 02:46:02 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.


The alternative block chain must be safe because it has been a source of income to many people. This alternative block chain has already helped so many people and from that it has been a very good help to everyone. Knowing that this block chain has provided financial needs of the people.


Title: Re: Alternative Block Chains : be safe!
Post by: Sarah08 on October 22, 2017, 02:46:35 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.




Title: Re: Alternative Block Chains : be safe!
Post by: Arigatoalexis on October 23, 2017, 01:02:03 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.


The alternative block chain must be safe because it has been a source of income to many people. This alternative block chain has already helped so many people and from that it has been a very good help to everyone. Knowing that this block chain has provided financial needs of the people.

You are a funny bounty hunter Sarah08. Blockchains need to be safe of course in order to be utilized effectively by mainstream people. 


Title: Re: Alternative Block Chains : be safe!
Post by: Priest Sannin on October 23, 2017, 01:03:47 PM
thanks for the safety tips, in the crypto world it's always good to be a bit conservative so do not expose yourself to a rich risk that is a very volatile and dynamic market


Title: Re: Alternative Block Chains : be safe!
Post by: crypto freelance on October 23, 2017, 05:39:17 PM
No one is immune from losing money. You have to be careful when working with crypto-currencies. There are many risk factors.


Title: Re: Alternative Block Chains : be safe!
Post by: vetal_xxx on October 23, 2017, 09:01:45 PM
Indeed, there are no guarantees. So should be careful in crypto world)


Title: Re: Alternative Block Chains : be safe!
Post by: Remaka on October 24, 2017, 12:09:27 AM
Just came across this new coin, heard about it a lot in Asia while I was there.  Check out the website

www.88coin.io

Considering investing in it, have a feeling it will sell out fast

Just be safe!


Title: Re: Alternative Block Chains : be safe!
Post by: kieuoanh on October 24, 2017, 03:20:54 AM
Thank you Gavin :)


Title: Re: Alternative Block Chains : be safe!
Post by: CBJon on October 24, 2017, 07:08:12 AM
The whole point for me is that blockchain was designed to be immutable and provide the checks and balances through the distributed architecture to ensure that transactions cannot be faked.

We looked at implementing a private blockchain for our cashbag.co business, and use this to manage transactions internally, but it defeats the objective of having the EVM.

It's better for us to transact using the EVM and in this way ensure that transaction history is tamperproof.



Title: Re: Alternative Block Chains : be safe!
Post by: ProfiChain on October 24, 2017, 04:39:02 PM
Indeed, there are no guarantees. So should be careful in crypto world)
I have the same opinion. 100%


Title: Re: Alternative Block Chains : be safe!
Post by: kuteteoku on October 25, 2017, 07:55:19 AM
oh no


Title: Re: Alternative Block Chains : be safe!
Post by: JackWilshereCrypto on October 25, 2017, 01:42:01 PM
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Title: Re: Alternative Block Chains : be safe!
Post by: JackWilshereCrypto on October 25, 2017, 02:30:34 PM
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Title: Re: Alternative Block Chains : be safe!
Post by: Nick J. on October 26, 2017, 02:52:55 PM
Speaking of alternative Blockchains...

https://cointelegraph.com/press-releases/has-xtrabytes-already-rendered-the-top-cryptocurrencies-obsolete

This coin says it has something called PoSign or something. Not PoW or PoS i think, but not really sure.
This article was just posted on CT, so i havent had the chance to do much research.
But if true, then i guees im gonna have to take a little bite of this cake.
Guees i will do as OP wrote on page 1.

Any thoughts about the article before decide to buy or not?


Title: Re: Alternative Block Chains : be safe!
Post by: NovaTerra on October 26, 2017, 03:55:51 PM
I think the more altcoins the better. Each new cryptocurrency gives us the opportunity to achieve something greater because each project behind it is bringing something new in this world. ;)


Title: Re: Alternative Block Chains : be safe!
Post by: nicosey on October 26, 2017, 07:25:06 PM
The internet is not built on alternation networks its built on layers.
We need this in the crypto space.
Layers of blockchains.


Title: Re: Alternative Block Chains : be safe!
Post by: ChesterFitzgerald on October 26, 2017, 09:05:12 PM
How can you prove that transactions are safe?


Title: Re: Alternative Block Chains : be safe!
Post by: als17 on October 27, 2017, 08:03:53 AM
Speaking of alternative Blockchains...

https://cointelegraph.com/press-releases/has-xtrabytes-already-rendered-the-top-cryptocurrencies-obsolete

This coin says it has something called PoSign or something. Not PoW or PoS i think, but not really sure.
This article was just posted on CT, so i havent had the chance to do much research.
But if true, then i guees im gonna have to take a little bite of this cake.
Guees i will do as OP wrote on page 1.

Any thoughts about the article before decide to buy or not?

Not really !!! still uncertain !!!


Title: Re: Alternative Block Chains : be safe!
Post by: AbacasXchange on October 27, 2017, 10:42:39 AM
The internet is not built on alternation networks its built on layers.
We need this in the crypto space.
Layers of blockchains.

@ The Abacas Exchange we call them clusters ... not really a layer but conceptually similar


Title: Re: Alternative Block Chains : be safe!
Post by: AbacasXchange on October 27, 2017, 10:53:53 AM
How can you prove that transactions are safe?

This is comprised of a number of elements as I am sure you already know - transparency of the public code with strong third party analysis ... ethical hacking to examine the veracity ... hackathons  ... without that I would hesitate to invest or use ... a lot of vaporware ... also the mining technique ... in our view PoW is best for security but creates scalability and cost issues ... PoS is the logical alternative [see ETH fork] ... safer if the network is at critical mass and less so with nascent chains ... control over the chain is the key ... next issue is control of the cryptocurrency or cryptoasset ... take a look at the abacas exchange as the dev is driven by the concerns that you have - building a better mousetrap :)


Title: Re: Alternative Block Chains : be safe!
Post by: bcnaranjo on October 27, 2017, 02:12:22 PM
The point is always ensuring safety in all transactions. There are alternative block chains really are coming out and many altcoins are also out in ICOs and Airdrops, but this things are always at our own risk. It is always up to us on how how we comprehend on whats going on with the market that we are into.


Title: Re: Alternative Block Chains : be safe!
Post by: als17 on October 27, 2017, 07:54:21 PM
The point is always ensuring safety in all transactions. There are alternative block chains really are coming out and many altcoins are also out in ICOs and Airdrops, but this things are always at our own risk. It is always up to us on how how we comprehend on whats going on with the market that we are into.

Yes that's complitely true we need to truly understand on the market we are dealing on !!


Title: Re: Alternative Block Chains : be safe!
Post by: Greenrace on October 27, 2017, 10:37:42 PM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.
yes, I only have one computer but to secure it we make a complicated password and often replace it maybe it's one way


Title: Re: Alternative Block Chains : be safe!
Post by: maxll on October 29, 2017, 06:29:24 AM
Before you invest in any alternative blockchain - RTFWP!
Read The F Whitepaper! :)


Title: Re: Alternative Block Chains : be safe!
Post by: shacc on October 29, 2017, 09:45:56 AM
nice advise


Title: Re: Alternative Block Chains : be safe!
Post by: winteriscoming91 on October 29, 2017, 03:28:06 PM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.

That's a good piece of information.


Title: Re: Alternative Block Chains : be safe!
Post by: als17 on October 29, 2017, 04:31:06 PM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.

That's a good piece of information.

Cool ................  ;D


Title: Re: Alternative Block Chains : be safe!
Post by: Ivantumang2002 on October 29, 2017, 05:39:44 PM
HAYSTTTTT :o :o :o


Title: Re: Alternative Block Chains : be safe!
Post by: lottoken@lottoken.org on November 01, 2017, 01:21:52 AM
So, how about a decentralized regulator for all these blockchain ? In other industries we have "standards" bodies. Why not such a thing here ?


Title: Re: Alternative Block Chains : be safe!
Post by: adhkara.seto on November 01, 2017, 12:21:24 PM
A new cryptocurrency gives us the opportunity to achieve something greater because each project behind it is bringing something new in this world. I think more altcoins is better to us to invest coin, cause BTC is so expensive :(


Title: Re: Alternative Block Chains : be safe!
Post by: nodav on November 03, 2017, 07:30:00 AM
No one is immune from losing money. You have to be careful when working with crypto-currencies. There are many risk factors.
the more crypto the more risk. and it is more difficult to store safely


Title: Re: Alternative Block Chains : be safe!
Post by: als17 on November 03, 2017, 07:49:00 AM
No one is immune from losing money. You have to be careful when working with crypto-currencies. There are many risk factors.
the more crypto the more risk. and it is more difficult to store safely

That's true !!!


Title: Re: Alternative Block Chains : be safe!
Post by: Cryptoo1 on November 03, 2017, 10:57:25 AM
First of all, big thank goes to Mr Gavin Andersen :). You have explained important things here that we should consider.
In my opinion,
Nothing is permanent, ::) Every one who lives on world have lost many thing already, It couldn't be changed. The only thing we can do
follow rules carefully.
there for no need to hesitate ;) to doing this but do it carefully.

Thanks


Title: Re: Alternative Block Chains : be safe!
Post by: Wonza99 on November 03, 2017, 06:57:12 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.



To this I would summarize not to invest fiat money or BTC


Title: Re: Alternative Block Chains : be safe!
Post by: shinharu10282016 on November 04, 2017, 12:07:29 AM
So, how about a decentralized regulator for all these blockchain ? In other industries we have "standards" bodies. Why not such a thing here ?

You can't just put "decentralized' and 'regulator' in one sentence. It beats the purpose of it being called decentralized, in short That doesnt make sense. The very thing about these cryptocurrencies is that no one can hsve control over it except you yourselves who have control over your wallets.

On the other hand, I have nothing against alt blockchains. Instead just like most people here, they love it. Take for example ETN and the upcoming UTN. New blockchains indeed but what can they offer? =)


Title: Re: Alternative Block Chains : be safe!
Post by: internaldr on November 04, 2017, 11:01:44 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.


The alternative block chain must be safe because it has been a source of income to many people. This alternative block chain has already helped so many people and from that it has been a very good help to everyone. Knowing that this block chain has provided financial needs of the people.

Safe in blockchain is very important. If there is a security weakness, the system will disappear completely.


Title: Re: Alternative Block Chains : be safe!
Post by: RADTEAM on November 05, 2017, 09:53:23 PM
However, blockchains of the future (or networks that will replace blockchain) are still yet to come. Many restrictions of current blockchains need to be overcome to scale efficiently.


Title: Re: Alternative Block Chains : be safe!
Post by: trickyriky on November 06, 2017, 08:11:50 AM
Bitcoin and all kind of money blockchains are risky things in some extent. Risk one of the business feature.
If you want wipe out all risks of your life then do nothing. Blockchains are not scam, it work. But you must to be competent in the questions of security.


Title: Re: Alternative Block Chains : be safe!
Post by: Klovezio on November 06, 2017, 03:07:10 PM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.

People with only one computer can still securely isolate different wallets & apps from each other by using privilege separation. For example on Linux, run bitcoin/namecoin/i0coin/etc under separate user accounts, and chmod 700 their home directories.

And what about Windows or Mac?


Title: Re: Alternative Block Chains : be safe!
Post by: InsightCryp.to_support on November 06, 2017, 06:14:17 PM
That's a very good insight indeed! I also believe that one must thoroughly check the scalability issues of any Alt-Block chain before investing any large amount. :)


Title: Re: Alternative Block Chains : be safe!
Post by: Semius on November 06, 2017, 09:31:13 PM
Good advice so as not to get caught by scammers who will use your pc's resources


Title: Re: Alternative Block Chains : be safe!
Post by: irfanrete on November 07, 2017, 11:47:37 AM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.


in my personal opinion
It's hard enough to get the half-baked alt chain software to run at all (and speed is of the essence knowing they are all quickly collapsing pyramids) never mind configuring a VM with appropriate hardware access. 
> Don't use Windows and pre-built .exes.  Just don't.  Ever.  Nothing inherently wrong with Microsoft software, but it is well understood and commonly used by the botnet types.
> Create a new account with no group membership.  I call mine "goatse" for obvious but nostalgic reasons.  Make absolutely sure that account doesn't have read or write access outside of their home directory.
> Log out of your main account and into that account whenever compiling or running the alt chain software.  Remember that compilation & installation scripts are code!
> Do not browse exchange sites you have coinage in and definitely do not save passwords in the browser when logged in as this account.
> If you log into this account via ssh DO NOT enable X proxying.  It's trivial to read your keystrokes, do screen captures, etc when X is proxied.  Let me repeat this one, make sure X proxying is disabled.
And yes, I even follow this for official bitcoin software.


Title: Re: Alternative Block Chains : be safe!
Post by: cryptoexpo on November 07, 2017, 01:48:55 PM
Fiat or bitcoin?


Title: Re: Alternative Block Chains : be safe!
Post by: Dontcry00 on November 07, 2017, 02:16:33 PM
Generally, if you have a large amount of bitcoins on a given PC, being extra-cautious about third party software (be it an Alt-coin client or a particularly fancy casual game) is advisable.


Title: Re: Alternative Block Chains : be safe!
Post by: KingKurm11 on November 07, 2017, 02:17:44 PM
Although I don't think the fiasco with Namecoin is over and I do believe we have made it hard for BitcoinExpress.  With that said I looked into the block chain rewrite this is real and can be done while lagitamitly mining bitcoins.  This exploit is quite scary for Bitcoins as a person with 20% of the hash rate can write the block chain.


Title: Re: Alternative Block Chains : be safe!
Post by: i-synthestech on November 07, 2017, 02:47:48 PM
thanks a lot for your warnings.
I want to add that rating services can also help ::)


Title: Re: Alternative Block Chains : be safe!
Post by: banut on November 08, 2017, 02:56:27 AM
Security is the basic concept on the block chain. Unless and until we have a clear satisfaction of the security we should not invest huge amount. What you mentioned all agreed and we have to agreed also the whole life is full of risk only without risk we cant live. So Alternative block chains are safe except some unsecured.


Title: Re: Alternative Block Chains : be safe!
Post by: Kokkie85 on November 08, 2017, 09:21:15 AM
Thank you so much for the warning(s). Good to light this up... I’m sure that some people didn’t realise these things before.


Title: Re: Alternative Block Chains : be safe!
Post by: baciubogdan on November 08, 2017, 10:29:24 AM
Nice. Thank you


Title: Re: Alternative Block Chains : be safe!
Post by: monacoinmonao on November 08, 2017, 11:17:28 AM
 ???


Title: Re: Alternative Block Chains : be safe!
Post by: Burgergad on November 08, 2017, 01:36:03 PM
That's a very good insight indeed! I also believe that one must thoroughly check the scalability issues of any Alt-Block chain before investing any large amount. :)
I think that everything has been checked long ago, since there is a lot of money in this business, and those who tested have a very large experience. So there's no need to worry about this yet.


Title: Re: Alternative Block Chains : be safe!
Post by: DRVX on November 08, 2017, 05:57:27 PM
Huge amount of currencies exist without any particular sense. Their investment potential is very low. But they can still be valuable for collections or for promotion cryptocurrency idea in society, something like advertisement. 
So this is not a holy trash as somebody have told.


Title: Re: Alternative Block Chains : be safe!
Post by: CryptoHunter911 on November 09, 2017, 07:08:21 AM
Thank you for the advice.
Altering password is already doing.
This made me to think more about new blockchains emerging frequently.


Title: Re: Alternative Block Chains : be safe!
Post by: cryptomkk on November 10, 2017, 02:54:23 PM
Was there one except LTC that wasn't a pure scam?


Anyone who has experience with bitair?


Title: Re: Alternative Block Chains : be safe!
Post by: Burgergad on November 10, 2017, 06:38:38 PM
Huge amount of currencies exist without any particular sense. Their investment potential is very low. But they can still be valuable for collections or for promotion cryptocurrency idea in society, something like advertisement. 
So this is not a holy trash as somebody have told.
I myself personally continue to be surprised that some currencies are growing and good ones are falling, since the bad ones (as I call them) are greatly overpriced. And crypts with low quality are now used mainly for manipulations no more.


Title: Re: Alternative Block Chains : be safe!
Post by: shiv06 on November 12, 2017, 03:13:18 AM
Blokchains Within popular media, the prototypical system used to explain blockchain is the bitcoin network. But this is just one type of solution in this space. It is useful to think of three main types of blockchain, or “distributedledger” Blockchain exists at the cross-over between economics and technology. To apply it effectively, we need to understand both sides of its personality. The economics of a system will affect the technical design and vice versa..


Title: Re: Alternative Block Chains : be safe!
Post by: AbuBhakar on November 12, 2017, 03:47:32 AM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.
Yes also me i have one phone, how can i do this safety?


Title: Re: Alternative Block Chains : be safe!
Post by: Burgergad on November 13, 2017, 02:56:13 PM
Good advice so as not to get caught by scammers who will use your pc's resources

Now it's very easy to get to scammers, I constantly hear that all sorts of viruses are simply massively launched in order to steal our crypt from us and every day they are more inventive


Title: Re: Alternative Block Chains : be safe!
Post by: william8829 on November 13, 2017, 10:03:14 PM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.
Yes also me i have one phone, how can i do this safety?

Smartphones do not have good security.  If you must use them for for holding Bitcoin I would back up your entire wallet to an external drive.  Then i would do a factory reset.  Restore you wallet.  Do not download any 3rd party software.  Do not connect to public wifi.


Title: Re: Alternative Block Chains : be safe!
Post by: truncus on November 14, 2017, 06:29:42 PM
Some people only have one computer and that must suck. Fortunately I have multiple so I can use some of my alt-miners to do this safely.
Yes also me i have one phone, how can i do this safety?

Smartphones do not have good security.  If you must use them for for holding Bitcoin I would back up your entire wallet to an external drive.  Then i would do a factory reset.  Restore you wallet.  Do not download any 3rd party software.  Do not connect to public wifi.

The most reliable way is PaperWallet. delete everything in the computer and on the phone. Print as PaperWallet. :) :)


Title: Re: Alternative Block Chains : be safe!
Post by: WalrusFeatures on November 15, 2017, 12:09:19 AM
I like to run a multiple raspberry pi's for coins I'm staking.

I have no idea what is in the code I'm compiling when making a wallet so I prefer to keep them separate.


Title: Re: Alternative Block Chains : be safe!
Post by: c4rloyal on November 15, 2017, 02:14:13 PM
 I dont think not all block chain  :-\


Title: Re: Alternative Block Chains : be safe!
Post by: khichariya1 on November 15, 2017, 03:12:28 PM
This technology is mainly described as a platform to share and secure ledge and The main aim of this start-up is to be the alternative block chain is very safe!!!!!


Title: Re: Alternative Block Chains : be safe!
Post by: bitcub on November 15, 2017, 03:21:46 PM
I heard there a some ICO projects created to replace blockchain. Like IOTA, and many more. They promote a more secure and faster system. So this means this is a threat to Bitcoin and to other altcoins someday.
In my opinion we should consider investing into it. This might be our chance to become an instant whale someday.


Title: Re: Alternative Block Chains : be safe!
Post by: cj9498 on November 15, 2017, 07:50:04 PM
Hey Guys

Full disclosure, I think this is an awesome discussion, I am just getting into Alt-coins as I am a marketing consultant for an ICO called Work coin! WorkCoin is the first crypto-currency for work. It adds a new protocol for payment, with escrow and arbitration. Holding funds in escrow until jobs are complete protects both buyers and sellers. Independent arbitrators handle dispute resolution in real time across multiple marketplaces.
So I know a lot of these groups get some spam, And we just have an honorable coin thats going to do some damage in the market! If you guys have any questions Hit me up. Oh by the way the name is Charles!

Video Explanation:
https://www.youtube.com/watch?time_continue=16&v=7g3XFAKpt-UWebsite:
Workcoin website:
https://workcoin.net/

If you guys use telegram we are giving out some physical coins, and shirts! There is also a lot of chat going on as well about different people interested!

Join If you want :)   

https://t.me/joinchat/GYZ-SQ-darNcXjmS-V-jow



 


Title: Re: Alternative Block Chains : be safe!
Post by: ankit05 on November 16, 2017, 04:38:39 PM
Blockchain with popular media, the prototypical system used to explain blockchain  is the bitcoin network. it is useful to thing of three main types of block  chain or distributedledger blockcahin exists at the cross- over between economics and technology. To apply it effectively, we need to understand both side of its personality. 


Title: Re: Alternative Block Chains : be safe!
Post by: Burgergad on November 16, 2017, 05:04:30 PM
I heard there a some ICO projects created to replace blockchain. Like IOTA, and many more. They promote a more secure and faster system. So this means this is a threat to Bitcoin and to other altcoins someday.
In my opinion we should consider investing into it. This might be our chance to become an instant whale someday.
Such projects appear constantly, as the developers of these projects understand that there is a lot of money in securing the blockchaine. And such projects will appear even more in the future, I think that this is necessary and good.


Title: Re: Alternative Block Chains : be safe!
Post by: jhonjhon on November 16, 2017, 08:00:28 PM
Blockchain with popular media, the prototypical system used to explain blockchain  is the bitcoin network. it is useful to thing of three main types of block  chain or distributedledger blockcahin exists at the cross- over between economics and technology. To apply it effectively, we need to understand both side of its personality. 
I don't feel security or any assurance for having this alternative blockchains. Playing safe is the best way to be far from being a victim of hackers and we should take this seriously because there is chances to happen to us if we don't mind this.


Title: Re: Alternative Block Chains : be safe!
Post by: A Fahriz Thiago on November 16, 2017, 09:39:57 PM
I haven't seen anybody post about what would be my biggest worry if I were trying out alternative block chains. I realize this may be perceived as "Gavin is FUD'ding anything that isn't bitcoin!"  (FUD == Fear, Uncertainty and Doubt)  But I think some of you might be forgetting some basic computer security fundamentals in the excitement to be early adopters.

When I first heard about bitcoin, my questions were:

1) Can it possibly work (do the ideas for how it works make sense)?
2) Is it a scam?
3) If it is not a scam, could it open my computer up to viruses/trojans if I run it?

I answered those questions by:

1) Reading and understanding Satoshi's whitepaper.  Then thinking about it for a day or two and reading it again.
2) Finding out everything I could about the project.  I read every forum thread here (there were probably under a hundred threads back then) and read Satoshi's initial postings on the crypto mailing list.
3) Downloaded and skimmed the source code to see if it looked vulnerable to buffer overflow or other remotely exploitable attacks.

If I were going to experiment with an alternative block-chain, I'd go through the same process again. But I'm an old conservative fuddy-duddy.

If you want to take a risk on a brand-new alternative block-chain, I'd strongly suggest that you:

1) Run the software in a virtual machine or on a machine that doesn't contain anything valuable.
2) Don't invest more money or time than you can afford to lose.
3) Use a different passphrase at every exchange site.


Thank you gavin,
A very useful sentence for all of us to know about what bitcointalk is and all the doubts in it.


Title: Re: Alternative Block Chains : be safe!
Post by: TheBestCryptoInvestor on November 17, 2017, 03:00:27 AM
Do your own research and never take anything for granted without checking.


Title: Re: Alternative Block Chains : be safe!
Post by: Owlpoultry on November 17, 2017, 08:41:53 AM
Your counsel is very candid,although it requires a lot of rigour and discipline to folow through the procedure you prescribed.
But its is indeed a worthy effort if one intends to invest a good amount of funds in it .
Thank you all the same


Title: Re: Alternative Block Chains : be safe!
Post by: raphbaph on November 17, 2017, 09:35:10 AM
In the light of exactly this security risk being present in the current Bitcoin Gold hard fork I wrote a short blog post on the security issues:
http://theband.at/?p=302


Title: Re: Alternative Block Chains : be safe!
Post by: Owlpoultry on November 17, 2017, 10:56:05 AM
In the light of exactly this security risk being present in the current Bitcoin Gold hard fork I wrote a short blog post on the security issues:
http://theband.at/?p=302
I'll check it out and give you a response