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1  Alternate cryptocurrencies / Altcoin Discussion / Ex Telegram on: May 31, 2018, 12:02:26 PM
Hi Everyone,

DELETED
2  Bitcoin / Bitcoin Discussion / Bitcoin the New Gold & Dash for Payments? on: December 15, 2017, 03:21:36 AM
Will Bitcoin become the new gold and will Dash be used for daily payments? Any other potential crypto currencies in mind that can replace BTC or DASH?
3  Alternate cryptocurrencies / Announcements (Altcoins) / ICO not made it on: July 21, 2017, 04:48:15 PM
ICO not made it
4  Alternate cryptocurrencies / Altcoin Discussion / [Decentralised companies test thread] Test Aragon by writing a story together on: May 21, 2017, 08:14:11 AM
Aragon is an interface for decentralised companies, running on the back of Ethereum:

https://aragon.one/

I didn't think much of it until it raised $25mil in 15mins, the most successful dApp IPO we've seen.

How's about we try it out on the kovan testnet (it's in alpha) and give it a go to learn how to use it. This will surely be messy. It will be interesting to see if Aragon makes any difference in organising a thread like this.

There's a web version via Chrome, linking to the Metamask extension. Since this is just a test let's not worry about the security of that just yet...

Here's the company link. Join here:
0xeed0d46b10207eb10ffa200b4d845643fca89a87

Let me start with the story. 2 opening paragraphs to open to vote on taken from /r/writingprompts

1) "It took them twenty years to notice I wasn't aging and report it to some relevant authority. Twenty years, three wardens, four cell blocks, forty-one sessions in solitary."
(user: preston_stone)

or

2) "The oldest man in the world sat behind bars, his wrists cuffed together and feet chained to the floor. Officially, he was 140 years old, though that was because his doctored birth certificate had him born May 28th, 1870."
(user: Jraywang)
5  Other / Off-topic / Ripple for Alipay, Chinese websites are rubbish? on: April 15, 2017, 01:00:13 AM

A few musings on a chain of problems. Rather than put in a specific forum I thought why not make it wider.

I've sent a password reset for Ripplepay classic and haven't received that email. Same problem with the Ripple forum (not in junkmail...). Should I be worried...

I believe Ripplepay moved to something else since this point? So now I have to migrate that old account over. I think this time I'd like to self host once I get the key off. I hope that doesn't use much disk space. Seems a good use case for Ripple, not using XRP for long.

The reason for all this is to use Alipay. I have to use Alipay to pay for something from a Chinese Taobao agent. There are exchanges but there's a minimum which is too high. Perhaps I should try localbitcoins next. Topping up Alipay with a credit card doesn't work and has a surchange anyway. No debit cards are accepted. The password reset link for alipay is broken (!). A comedy of errors.

So, I was thinking to try Ripple. Ripplefox have a alipay bridge which would be nice to try. It's clear once I have a ripple login working again I can send to them for the exchange ( https://jc.ripplefox.com/#/withdraw ) ... but it's not clear how to then instruct them to actually get the alipay note off ripple and send to my alipay (or someone else's...?)

Funny that there is no Taobao agent accepting Bitcoin. Is there a reason for that? Agents for westerners charge double... agents for locals living abroad only accept Chinese methods such as Wechat.

...perhaps there's an exchange doing Bitcoin<->Wechat credit....
6  Other / Off-topic / Prepay credit card for Amazon AWS to limit liability? on: August 02, 2016, 10:53:59 AM
 I figured you guys would actually be some of the best to ask.

What card can I use with limited liability to verify my AWS Amazon account? I want to use Glacier for backup but I don't want my credit card on the hook for an unlimited bill if my account gets breached.

Mixed reports on entropay. Since it's possible to buy gift vouchers and AWS credits (against T&C's btw) actual paying shouldn't be a problem - it's just verification.

 Not looking for privacy, just some liability limit.
7  Economy / Exchanges / BTCC "Internal Error" on: July 31, 2016, 02:50:21 PM
 
 I have had this error for a few days now and I seem to be ignored. I'm tied of asking for them to look into it.

When trying to trade I get the error "Internal Error".

Looking into the matter it looks like some problem with verification because a window quickly pops up and closes with less than 1/2 a second.

...but when I enquire I am told that my account is verified.

 What to do now? Perhaps another way to contact support?


In the meantime, beware.
8  Economy / Economics / Keeping an out out for disruptive technologies on: July 26, 2016, 01:03:07 AM
 First it was ethereum, now Pokemon Go.

Since Bitcoin I've tried to keep an ear to the ground on disruptive technology. Only thing was that keeping up with all the altcoins got wearing and when ethereum came along I missed it as I'd stopped checking the news.

Likewise with Pokemon Go my interest in Ingress waned a bit. It seems I take an interest really early but by the time it gets popular I'm on to something else.

It would be good to have someone look out for these things for me. Is there some thread, blog, or site somewhere for this kind of news?

What's another interesting thing you've seen come along that has taken your interest?
9  Economy / Services / Ondemand virus scan (virustotal without the 128mb limit) on: July 19, 2016, 03:26:56 AM
 I don't really want to buy a virusscanner for mac... I would prefer to use a service to scan the file for me... or use a portable application to scan it (clamav maybe...)

Is there a service out there scanning for bitcoin? Or a way to get past that 128mb limit?
10  Economy / Services / Suggestion: Solidworks desktop remote access rental on: December 04, 2015, 02:56:35 AM

 This previously hasn't been a thing because of the sensitivity of designs.

However...
 with 3D printing taking off and these designs being shared a lot more there's a market for this I believe.

I've been using free solutions but most people are using hacked copies of Solidworks. I don't want to buy the hardware and a full license just to sketch out a quick idea.

If you have a gaming machine I suggest to rent it out when you're not using it.

PM me for offers.
11  Other / Off-topic / UK Financial Thread (regulation, costs etc) on: May 29, 2015, 04:55:42 AM
 One thing I've learnt is that by following the money you can learn a lot behind the politics of the world.

I want to start a thread tracking UK financial services. Things like regulation. Things like
"is SEPA ever going to be cost effective here or do we have to keep using Transferwise and CurrencyFair?"
 Debit card costs abroad,
this kind of thing.

Things are changing all the time and it would be good to go to a central place to keep updated.
12  Economy / Service Discussion / MtGox insolvency email APRIL 2015 on: April 24, 2015, 11:24:56 AM
New email or scam? How secure is the insolvency procedure I don't know...





13  Economy / Service Discussion / Bitstamp verify deadline in 2 days - you will lose your funds on: November 09, 2014, 05:13:54 PM
 If you signed up with an incorrect name on Bitstamp (and thus unable to verify) you will lose all your funds in 2 days time.

I have a friend from Slovinia, I will ask him on options for lawyers.

Is there a contact number for the company? I can't login as my Google Authenticator got wiped (turns out Google Authenticator isn't backed up by Google backup...)

 edit:
related thread https://bitcointalk.org/index.php?topic=826251
who is the regulator?
14  Bitcoin / Bitcoin Discussion / Logic via multisig tree? on: May 26, 2014, 12:28:13 PM

 1) Is it possible to program a chain of transactions with multisig to form logic?

 2) What is currently using multisig? Has there been any developments of anything running off the back of it other than a simple interface? (not to degenerate the website interfaces - those are fantastic to see)

 If you want to play with the ideas at https://wiki.unsystem.net/index.php/Bitlaw I suggest the sx commandline tool as a starting point:
 
 
Code:
Tools

Blockchain transparency + multisig for organisations.
Accountability for actions taken within an organisation towards participants (shareholders, community .etc).
Tools for managing working groups.
Accounting tools.
Establish micropayment channels for ongoing payment of a good.
Trustless resilient purchasing by doing swaps, where swap_amount == tx_fee
Arbitration platform.
See arbcom on Wikipedia.
Enforcement?
Competitive/polycentric law?
Enabling different legal systems to interact.
Auditing and transparency.
Blockchain data for spends.
Multisig working groups.
Tools to issue securities/tokens
Traded p2p
Assurance contracts
SIGHASH_ANYONE_CAN_PAY -> multisig
Crowdfunding interface.
Bonds, securities, options, futures
Food trading within CIC + CSAs
Primary contract: A promises B to do X
Secondary contract (guaranteeing performance): C promises B that if A does not perform, then C will compensate B
15  Economy / Scam Accusations / Forex brokers inc. Avatrade on: May 19, 2014, 02:18:51 PM
Before Bitcoin forex brokers were the scammer of their time.

They still are.

Here's a run down of why they all might be scammers, sharing my experiences.

1) FXCM. They don't cover Bitcoin but it's worth sharing to show how common this is.
Not necessarily too bad if you trade with them on the daily timeframe. However, I found:
- price movements during recess time
- trailing stop moved the wrong side of price (so it never triggers)
- buy and sell limits not engaged (yes, far side of both buy/sell line of the spread)
- TP not triggering.
- MT4 platform in particular wouldn't put the trade through with a particularly good opportunity comes along... various "errors"...

2) Avatrade.
I had a short on Manchester United and Bitcoin. Had a margin call due to the price of MANU spiking to 74 from 17. The data feed has never shown that price. Avoid.

I expect xCFD to scam in some form. Any broker that can't produce the trade ticket - expect them to scam you - and that is every broker as far as I know.
 There is a plugin for MT4 and other platforms designed to help them widen spread to stop you out. Search for ECN Jesus as this info has been censored.
Other tactic include massive leverage such as 500:1 which will cause you more swap bills and also, well... the professionals don't use leverage.

 Many firms have been slapped with fines but continue to steal people's money. Beware.

16  Economy / Service Discussion / Spreadbetting UK BTC with risk protection? on: April 12, 2014, 11:31:45 PM
I looked at spreadex to spreadbet on Bitcoin as that's tax free for uk residents paying uk tax. But in the agreement there's the possibility to owe more than you send them. So its a bit like a credit agreement and I don't like that. Imagine getting hacked before even using the site, and I can't see any upper limit on what you would owe.

FXCM had a protection against this but they don't cover Bitcoin.

Is there an alternative with spreadbet status?

Please stay on topic. No USA specific chat and non spreadbet status accounts in this thread please. Thanks.
17  Economy / Trading Discussion / p2p money transmittal services (CurrencyFair, Klickex, Transferwise) - secure? on: February 17, 2014, 11:35:59 AM
What do you think about the security of funds stored at these p2p exchangers?

Quick intro.
CurrencyFair:
Offers the most fair pairs.
You can store funds
Set your own rate.

Klickex:
Aimed at NZ and Australia but also has GBP.
NZD/AUD/GBP only (plus some pacific island currencies)
Set your own rate.

Transferwise:
Can't store funds. You send, they convert at the rate previously agreed and they forward onwards.
Best for euro fiat pairs but has CNY and INR too.

Other brokers like XE:
Can't store funds. They typically forward when funds received.
18  Bitcoin / Bitcoin Discussion / Converting rates between exchanges for speculative trades on: February 10, 2014, 05:08:37 PM
 This isn't an arbitrage question but maybe it's one to file under that?


 So, I have my levels that I know I want to buy at. How do I figure out what each level is equivalent to at the difference exchanges?

For example, let's say someone gives me a tip to buy at $450 at Mt.Gox... what level would that be at Bitstamp or BTCChina? I mean, the Mt.Gox rate doesn't really have much sense now but even so maybe that difference has been tracked by someone as a percentage?

 I had a look at BTC-e and noticed a massive spike down to $290 too. Wasn't sure what to make of that either.

 In general there's going to be price difference between exchanges but those price differences should be fairly stable over time so it should be possible to at least get analysis for example on Mt.Gox and convert that to other exchanges to within $50, right?

 
19  Bitcoin / Bitcoin Technical Support / Secure wallet.dat on linux, best practice? on: January 11, 2014, 07:16:06 PM
 
 A lot of people give their browser and it's fully unvetted extensions access to their wallet by running their browser as the same user as their bitcoin wallet. Seeing as the NSA have poked a hole in Firefox and arrested people with it we can rest assured that this is not a far fetched attack.
 If you're running linux it makes sense to at least make use of the security features it offers. The question is, what is the best setup for this?

- Is it best to run your browser as a different user to your X session and bitcoin wallet?

Code:
[user2@localhost ~]$ cat .profile 
# allow user1 (gamer, untrusted stuff)  to display apps on this X server
# (don't do that for local non-X and any remote connections)
if [ -n "$DISPLAY" -a -z "$SSH_CLIENT" ]; then
    xhost +si:localuser:user1
fi
[root@localhost ~]# cat /etc/sudoers.d/chrome-as-user2
user1 ALL = (user2) NOPASSWD: /usr/bin/google-chrome
[root@localhost ~]#
Code:
sudo -u user2 /usr/bin/google-chrome
sandbox -t sandbox_web_t -i /home/j/.mozilla -X firefox

 - Sandbox prevents copy and paste... so that's pretty useless. If you run your browser as a different user then you then need everything else running as that user because if you download to your home directory you then need the filemanager to be able to read that directory. It then becomes really tiresome changing everything else over.

 - So... perhaps it's better to run your bitcoin wallet as a separate user and keep everything else as before? Then have a shortcut on your desktop to run bitcoin as that other user. You can then interact and backup by copy and paste... but you don't have access to ~/.bitcoin (or ~/.electrum)

Code:
(copy wallet.dat to user2 dir and chown to user2:user2)
[root@localhost ~]# cat /etc/sudoers.d/electrum-as-user2
user1 ALL = (user2) NOPASSWD: /usr/bin/electrum
[root@localhost ~]#
Code:
sudo -u user2 /usr/bin/electrum

 But hang on...
the chances are that your current user has sudo capability to root... and it's also common thanks to Ubuntu to have the same password for logon as to sudo...
 so how do we change that? I mean, what's the better setup for su/sudo regards that? Am I on the right track here? How do you have it setup?
20  Economy / Goods / [WANT] 23andme gift kit on: December 13, 2013, 10:23:14 PM
Looking to buy for a reasonable price. You'll need some rep and I will check.

 -j
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