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2301  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 28, 2014, 08:01:12 PM
I'm not anti-DRK.

Nough said Cheesy
2302  Alternate cryptocurrencies / Altcoin Discussion / Re: rpietila Altcoin Observer on: July 28, 2014, 01:57:21 PM
Okay so compared to Monero (Cryptonote), DarkCoin has an additional Sybil attack vector yet also can have prunability which Cryptonote can't.

Which is the difference between having a usable anonymous coin and a proof-of-concept coin until the scaling can be resolved.

Quote
The argument is made that these masternodes won't be easily Sybil attacked because only a whale could. Your argument against the possibility of owning a lot of nodes fails due to the fact that money is always power law distributed[1]. One can argue that whales wouldn't destroy their investment by attacking it, but whales can be coerced with rubber hose or offered a percentage of the booty gained. Wink

Actually, the game theory component of Darkcoin seems quite solid. And remember that DarkSend, when opensourced, can be used in multiple coins - which means that suddenly, one must have A LOT of money to own the nodes of every single coin out there, to deanonymize everything. It also creates the following loop:

Coin implements DarkSend => The-powers-that-be need to buy 80-95% of the nodes to deanonymize a good percent of transactions with 8 rounds of DarkSend => buyers of said coin get rich by TPTB that buy from them.

Suddenly you've made a mechanism where ordinary people are getting rich by the NSA or NSA-equivalent organizations. This is a non-strategy for the elite. They want to track you but not to make you rich - or ensure that every buyer of DarkSend-enabled coin will get rich.

The forceful or coerced cooperation part is also doubtful since nodes are all over the world. It's not enough to have a few nodes. You need a lot of nodes. And even if you have a lot of nodes, a paranoid Darkcoin user will escape detection by laundering his money 2-3-4 (or more) times over 8 different nodes (total 32 nodes) - by paying the fees necessary of course. The statistic possibility of deanonymizing him by going over 32 (or more) nodes would be near zero.

I am more worried about the IP obfuscation part of anonymous coins, rather than sybil attacks in Darkcoin / DarkSend-enabled coins. That's the weak spot.

Scaling, I believe, is a no-issue, not only due to pruning, but also due to lower-settings of mixing that will be used for less paranoid users that are more concerned with privacy rather than total anonymity.

Quote
Both can't avoid transaction fees because their anonymity depends on mixing transactions which encourages transaction spam.

Personally, I do not see transaction fees as a problem. I believe that fees should be enforced in every single coin. No fees = bloating attack vector open = coin is DOA. Nobody wants to use coins which have terabytes of blockchain because some kid scripted bogus transactions for the lulz / just to kill a coin. Such a coin would be a joke coin. Why would anybody use a joke coin that can be bloated to destruction by script-kids, at no cost?
2303  Alternate cryptocurrencies / Altcoin Discussion / Re: rpietila Altcoin Observer on: July 28, 2014, 01:15:04 PM
https://darkcointalk.org/threads/development-updates-july-7th.1735/

The DarkSend+ anonymity depends on MasterNode1 and 2 are not Sybil attacked in order to achieve unlinkability and untraceability, and adds some of the blockchain bloat of Cryptonote. Cryptonote (Monero) achieves that without any such Sybil attack threat.

In the later update (mid-July), it goes up to 8 nodes - not 2. So the probabilities are far better.

Remember there is a dis-incentive to Sybil by requiring 1000 DRKs per node. And you can't buy a lot of nodes without taking the price to the sky, as the less DRKs there are in the market, price increases non-linearly. So you'll need to own a heck of a lot of nodes to Sybil this - and the money required to increase your success percentage are going up in a non-linear fashion during the accumulation of DRK nodes.

Personally I think premixing is quite interesting because, aside from solving issues that occur in realtime (like the simultaneous tx / denomination requirement) it re-opens the possibility of blind sigs... As it is right now (the implementation of DRK's coinjoin), it is performed without blind signatures due to the DOS issue that blind sigs had - which you discussed with Evan. So the node does know in order to be able to penalize bad behavior. But with premixing, the requirement for real-time coinjoin is eliminated... so, I'm thinking, perhaps, blind sigs can be used for better mixing. Even if mixing fails due to DOS, it is not a problem as a retry can be initiated for many times. It's all in the premixing phase (that could be days before a transfer) and thus one has plenty of time to waste... it could probably be activated with a "paranoid" checkbox for those desiring blind-sig level of anonymity.

Quote
Continuous mixing won't scale, because it explodes the transactions by some square law. So if you think the scaling calculations I showed for Monero were egregious when scaled to Visa scale, get out your calculator and run them on this DarkSend premix idea.  Shocked

It is comical to watch them tack on multiple layers of duct tape on a fundamentally flawed algorithm.

Remember that Darkcoin, unlike Monero, can be pruned.
2304  Alternate cryptocurrencies / Altcoin Discussion / Re: rpietila Altcoin Observer on: July 28, 2014, 12:11:15 PM
Cryptonote can't encourage too much use with zero transaction fees, because it can't accept the scaling that can come with it.

I believe Zerocash has similar scaling issues. DarkCoin (and CoinJoin) has the simultaneity problem that fights scaling because to mix you need someone else who wants to mix with you at the same denominations at the same time (not mention being either theoretically defeated with jamming and/or Sybil attack on masternodes) and to perform this meeting with scaling you need global coherence on submitted txs which means either centralization (synchronicity) or no scaling.

Darkcoin will use premixing so that the simultaneity issue during transactions is resolved in RC4 with DarkSend plus (DarkSend+).

https://darkcointalk.org/threads/development-updates-july-7th.1735
+
https://darkcointalk.org/threads/development-updates-july-15th.1788 (revisions)

2305  Economy / Speculation / Re: rpietila Wall Observer - the Quality TA Thread ;) on: July 27, 2014, 11:56:19 AM
So rpietila is starting a Bitcoin illuminati Rothchild Bildercoin group from hell. Meanwhile im unemployed and still don't have an entire BTC.  Financial freedoom Roll Eyes

What's your age range and your skills?  Rpietilla is in his late 30s I think (even though some of his pictures look older.. he he he), so he has had some opportunities (and most likely should admit luck) to have achieved a form of financial freedom - nonetheless, NO one's financial freedom is completely ensured unless they are sure that their assets are sufficiently diversified and hedged.  Also, the person must be able to live within the means of the passive income from the assets.  Accordingly, there may be a need to continuously monitor the status of such "financial freedom" - unless the wealth buffer remains sufficiently great in order to make any threat to "FF" a non-issue.

Im in my mid 20's and my skills aren't anything that can be moniterised, or that can give you more than peanuts, I like music and as you can see I can type in english but I cant teach it because my acccent is shit as I dont have any english friends. My country has the most unemployment in europe. Even if I had skills I would be fucked anyway. Bitcoin doesnt solve this.

Bitcoin isn't a cure-all. It can solve some issues regarding economy and politics, but it won't solve unemployment. You can however use trading to make money - even if you start small. And I do live in Greece btw where unemployment is like 30% / young unemployment is over 60%.

The primary problem is not Bitcoin, the socioeconomic environment etc etc. These are excuses. 99% of the people don't have a vision of what they want to achieve. They live life as life comes to them instead of planning it. Once you have a proper vision, and reinforce it through your subconscious (subconscious programming, visualization etc), stuff will start falling into place. With no vision/purpose, you can't do much. Your body and mind are like a car that goes circles - with no destination.
2306  Alternate cryptocurrencies / Altcoin Discussion / Re: rpietila Altcoin Observer on: July 27, 2014, 07:49:50 AM
Anonymint, can one solve the low-latency timing analysis issue of I2P/TOR by having all wallets configured to broadcast stuff at 1m intervals? Like 13:42:00, 13:43:00, 13:44:00 etc? Or making a customized I2P implementation that does something similar, joining all the network movements in some way?
2307  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 27, 2014, 07:22:34 AM
Enjoy bagholding this crap, in the meantime I'll be stocking up on some real winners like btc and claok.

The best wish we can give you, is go all in / sell your house and buy cloak. For most of us, the reason is obvious - as has been the case for all the P&Ds that have paraded through the DRK thread and are now nowhere to be found.

Quote
This crap darkcoin has been around for 8 months, 4 of witch have been really bad for any holders who got in during those 4 months.

You don't even know the history of the coin and you claim to give "advice" to noobs? Price in March was 0.001x. Now it's 0.01.
2308  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 26, 2014, 04:42:57 PM
Anyone saying that DRK fucks the miners is a degenerate (entitlement complex, pure scum). Miners are useful, to an extent. That doesn't mean that they are owed the world.

The roles of miners and node owners are not mutually exclusive - thus the "conflict" is only an imaginary one, promoted by trolls.

There's nothing preventing miners from using the mined DRKs to gain life-long "interest" / extra ROI through masternodes.

You mined 50-100-200-1000 DRKs? You get a masternode or a masternode slice and earn extra DRKs for life.
2309  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 26, 2014, 06:35:00 AM
I'm quoting Anonymint from another thread where he talks about I2P on top of anonymous coins, to ask a development question on how we can implement I2P in Darkcoin.... I've bolded the part which I want to highlight:

However, these low latency networks admit in their FAQs that they are not able to obscure from an adversary who can see both the entry and exit traffic because timing analysis can be employed. If you only have a few pools, then the exit nodes for mining shares and transactions should be known and hackers can target their ISP or upstream router (correct me if I am wrong).

Regarding DRK, I2P integration is planned because without IP obfuscation, anonymity is bust... so, my question is this: Can an I2P network (or the wallet?) be configured in such a way as to group broadcasts at certain time intervals? Like once per minute at 13:56:00, 13:57:00, 13:58:00, 13:59:00, 14:00:00 etc. In this way it would be much more resistant to timing-analysis (or so I figure - may be wrong).

Just throwing thoughts around.

From everything I have ready I2P is off the table and has been for some time.

I wish I had more to say on the matter but - it is what it is.....

We'll all have more info when the DRK client is unleashed........

IP obfuscation is part of the development plan. Not in RC4 though.
2310  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 26, 2014, 06:24:14 AM
Cloakcoin spam

Cloakcoin = the coin which promoted anonymity through exchanges. Nough said.


2311  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 26, 2014, 06:09:34 AM
I'm quoting Anonymint from another thread where he talks about I2P on top of anonymous coins, to ask a development question on how we can implement I2P in Darkcoin.... I've bolded the part which I want to highlight:

However, these low latency networks admit in their FAQs that they are not able to obscure from an adversary who can see both the entry and exit traffic because timing analysis can be employed. If you only have a few pools, then the exit nodes for mining shares and transactions should be known and hackers can target their ISP or upstream router (correct me if I am wrong).

Regarding DRK, I2P integration is planned because without IP obfuscation, anonymity is bust... so, my question is this: Can an I2P network (or the wallet?) be configured in such a way as to group broadcasts at certain time intervals? Like once per minute at 13:56:00, 13:57:00, 13:58:00, 13:59:00, 14:00:00 etc. In this way it would be much more resistant to timing-analysis (or so I figure - may be wrong).

Just throwing thoughts around.
2312  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 26, 2014, 05:04:24 AM
I dont get why people are mad, i'm just trying to save you.

No you just want to pump your coin with spamming the most-successful anon coin thread.

Look, everybody and their grandma knows Monero by now. If it was to take off, it would. It went to 0.01 and crashed to 0.002. That's it. The high inflation is killing it. And on top of that, it is not even usable due to scaling issues. It's alright when its used by 10-100 people, but it can't be used by 100.000 people.
2313  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 24, 2014, 08:52:00 AM
can someone build a script that can take, say the first 15k blocks and show coin movement larger than 500?

im getting tired of this, it would be easier just to point the trolls to the script

That will only cover private buying and selling through PMs and forum offers WTB/WTS.

Exchanges didn't add DRK until early feb (ccex first, poloniex second).
2314  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 23, 2014, 01:45:20 PM
Today i can go to a friend and when he asks me what to to with spare fiatmoney i can say to him to by gold or silver, but i can' t say buy cryptocurrecy. Ask yourself,  would you advise a friends go crypto?

To hedge PMs due to extreme price manipulation on PMs...

BTC itself is heavily manipulated through the news game however due to scarcity and lack of paper leverage, things are much better.

So even if governments suppress prices of PMs, one can still make profits with cryptos - which are played as a hedge and understood to be higher risk.
2315  Alternate cryptocurrencies / Altcoin Discussion / Re: rpietila Altcoin Observer on: July 23, 2014, 01:25:40 PM

Did anyone tell about the MultiGateWay of Nxt ?



http://bitcoinist.net/multigateway-new-decentralized-exchange/
http://multigateway.com/
http://multigateway.com/user-guide/installing-the-software/
https://nxtforum.org/multigateway-jl777/
https://nxtforum.org/umgwc/
https://nxtforum.org/umgwc/umgw-ui-release-v1-3e/

It's working, I am using it.
Basically you can trade Nxt for Bitcoin or Litecoin, soon Darkcoin (I know fuck that coin) and more crypto soon.

It is a decentralized exchange that you use from the Nxt client.
All transactions are based on the Nxt blockchain. No cheat, no theft, no scam, ...

Isn't it what cryptocurrencies always needed ?


Is there a fee, and if yes, who gains it?
2316  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 23, 2014, 01:20:21 PM
there are also many 30-40 BTC volume days on Mintpal.

BTW, what the hell are those 0.51001 DRK sell orders on Mintpal?


Manipulation, either bots or extremely dedicated daytraders.

Just arbitrage between cryptsy (104) and mintpal (106). It was mine btw.
2317  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 23, 2014, 09:51:02 AM
Just as we're starting to get a little rally going, and then those fucking multipool pieces of shit come in and dump. We should get some funds together to DDoS the shit out of multipools that are dumping DRK. This is fucking ridiculous.

DRK doesn't have multipool dumping issues - it's a myth. The quantity of the mined DRK is in itself very low (2880 coins -20% for MN = just 2300 coins...). And of the 2300 coins, what percentage is mined by multipools? 50%? Which is like what? 1100 coins? Which make for like 11 btc per day? And the daily volume is like 160 btc just on mintpal?

The DRKs traded at the market are by traders who are playing with thousands of DRKs. Multipools are nothing.

Whatever the reason this is fucking annoying, fuck these idiots selling.

That's how markets operate. Someone is selling, another is buying. Bitching about people selling is for shitcoin threads, not DRK with millions of USD in volume.
2318  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 23, 2014, 09:44:44 AM
Just as we're starting to get a little rally going, and then those fucking multipool pieces of shit come in and dump. We should get some funds together to DDoS the shit out of multipools that are dumping DRK. This is fucking ridiculous.

DRK doesn't have multipool dumping issues - it's a myth. The quantity of the mined DRK is in itself very low (2880 coins -20% for MN = just 2300 coins...). And of the 2300 coins, what percentage is mined by multipools? 50%? Which is like what? 1100 coins? Which make for like 11 btc per day? And the daily volume is like 160 btc just on mintpal?

The DRKs traded at the market are by traders who are playing with thousands of DRKs. Multipools are nothing.
2319  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 23, 2014, 02:19:43 AM
what does that x 500 (--xintensity 500) precisely do ? i dont feel like blowing up my graphic card just to find out... Smiley

Increases the intensity, which, in other words, is about increasing the workload processed by the card. The card won't blow up as it does 1-2-3% difference.

thanks.. i tried the --xintensity 500 option but could get extra hashpower with it .. and your right, it didnt blow up my card Smiley
i'm keeping my current batch configuration.

edit : and thanks all who replied to my question.

You can try other values too... like 200-300-400-600-700-800-900 and see if any works for you. My cards liked 400 and 800 but they weren't 280s (series 5xxx and 6xxx).
2320  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][DRK] DarkCoin | First Anonymous Coin | First X11 | First DGW | RC4 Testing on: July 22, 2014, 10:06:30 PM
what does that x 500 (--xintensity 500) precisely do ? i dont feel like blowing up my graphic card just to find out... Smiley

Increases the intensity, which, in other words, is about increasing the workload processed by the card. The card won't blow up as it does 1-2-3% difference.
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