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1  Bitcoin / Bitcoin Discussion / Re: Difficulty selling BitCoins on: March 29, 2011, 02:51:41 PM
CoinCard pretty much does this.

Hardly! You try telling a business that it has to convert it's BitCoins into VISA cards and then can only use them for online purchases. How do you pay wages with a VISA card?? Bitcoin is a currency, not FlyBuy points!

What VISA card? My reading of the site indicates that you can get a straight paypal payment from it (I see no mention of any VISA cards at all in fact). You can get domino's gift cards or just a straight paypal payment. The fees are listed on the "prices" page:

PayPal payment (under $50)    3%    You pay no PayPal fees
PayPal payment ($50 or more)    1% + $1    You pay no PayPal fees
Domino's Pizza gift card    1%    between $5 and $100

I've not used the service myself, but I've used CoinPal (the sister service) and have had a good experience with it.
2  Bitcoin / Bitcoin Technical Support / Re: Whenver someone sends me some bitcoins it says its from unknown... on: March 24, 2011, 10:00:53 PM
What the title says..   Huh Huh Huh

That's normal. The from field was only used for (now-deprecated) IP-based transactions. Regular p2p transactions (the only ones used today) can come from many addresses, so there isn't always a good way to display them there.

If you really want to know, you can look up the transaction on and you can see which source address(es) it came from.
3  Economy / Marketplace / Re: CoinPal beta - Buying bitcoins with PayPal on: March 24, 2011, 07:34:19 PM
Did you get a core dump? It might be useful. There must be a memory corruption or race in there. Maybe time t break out Valgrind.

Not sure it'd be wise to post bitcoin coredumps online publicly, as it seems likely there might be private keys in them. This may not be obvious to everyone.
4  Bitcoin / Bitcoin Discussion / Re: Remove "generate bitcoins" from standard client? on: March 23, 2011, 02:10:07 PM
Adding GPU mining would add a lot of dependencies (OpenCL framework, etc) to the bitcoin client that 99% of people will not need. Therefore it makes sense to split mining into it's own application with those dependencies.

Also, remember that the bitcoin program is a financial program. It needs to be secure. The more bells and whistles added, the larger the attack surface and the more danger of subtle bugs creeping in.

Of course, mining should be explained - but there's no need to tease every user with the option when a tiny fraction of them will be using it. Those users can easily fetch one of the many miners available.
5  Bitcoin / Bitcoin Discussion / Re: when will I start getting bitcoins on: March 23, 2011, 01:17:23 PM
Unfortunately Dai's situation is probably not too uncommon. The bitcoin site still guides new users to enabling "generate coins", and the software has the tickbox in an obvious place in the GUI. Reading the site, it's not surprising people think bitcoin is all about mining.

We should really try to write a new introduction for the main bitcoin page that puts less emphasis on mining and more on the trade aspect. Also, remove mining from the official client!
6  Economy / Economics / Re: Black Swan on MTGOX on: March 23, 2011, 12:08:04 PM
I've seen silk road has been mentioned in several places (*chan boards and reddit) in the past few days. While it's always hard to pin a reason for an increase or decrease in price, it wouldn't surprise me if this was related.

Regardless of your views on the trade that goes on there, that is a market with a lot of demand, where bitcoins have a clear advantage over other currencies.
7  Bitcoin / Wallet software / Re: [ANNOUNCE] BitCoinJ v0.1, a client-mode implementation in Java on: March 22, 2011, 10:16:35 AM
Are there any python clients out there that are fully functional though?

There are several implementations of the network node code, but to my knowledge none implementing wallet handling. If anyone knows better, please let me know.
8  Economy / Exchanges / Re: has blocked my account with 45 000 USD in it! on: March 18, 2011, 11:35:47 AM
Some updates.

Issue still not resolved. (now owner Mark Karpeles ) refuse to unblock my account for 1 day, to let me take screenshots of my account as evidences, he saying:
"As I said, I cannot unlock an account while keeping it "read only". This is not that I do not want, it is a technical restriction."

That is insane , what fucking technical restriction can prevent him from unblocking my account for 1 day.

If his code doesn't offer that feature, that's a 'technical restriction'. I'm sure he has many things to do except work on feature requests from you. I know I can think of more important things to implement in mtgox.

2. Jed McCaleb (old owner) broke NDA agreement by disclosure CONFIDENTIAL document to third parties(new owner Mark Karpeles).

What? You had signed an NDA agreement? Why did you not state this earlier? If you went through the trouble of signing legal paperwork, why didn't you make up a contract to ensure the safety of your money as well? You are clearly lying here.

Also, how did you sign this? Obviously you did not meet mtgox. Probably not through mail or fax as you've been asking for contact information. So please do inform us, how did you arrange for this NDA with MtGox?

Obvious criminal is obvious.
9  Bitcoin / Bitcoin Discussion / Re: Micro-payments with MASIVE fees on: March 17, 2011, 10:38:25 AM
0.01 minimum fee will be changed over time.

ok .. I understand that .. but what about SMALLER payments .. micro-payments of LESS then 0.01 .. do you still pay 0.01 for a 0.00001 payment .. that's just stupid!

Presently yes, but not in the future. Transactions have a cost (in disk space for participating nodes), so they have to have a cost. When the value of a bitcoin increses, the fee rules will be changed so they make sense for the amounts being worked with.
10  Other / Off-topic / Re: how to return BTC on mtgox on: March 17, 2011, 10:14:03 AM
Is it  possible to retun bitcoin that I sent to old address (that address i used for previous add fund operation on mtgox)?
I mail to 15.03.11, but I did get any answer yet.

MagicalTux is in japan, I wouldn't be surprised if it takes a bit longer for him to reply these days. He's been on IRC though, so he's fine.
11  Bitcoin / Bitcoin Technical Support / Re: My bitcoin address changed..... on: March 16, 2011, 10:35:57 AM
That's normal. It changes whenever you receive bitcoins. The old address will still work if you want to continue using it.

Ohhh thats good to know  Grin. Just noticed it change when I received my latest payment.

Is there a finite number of addresses before an old one becomes unusable, or will my original address always work?

Bitcoin stores your addresses forever, so they will always work. Generating new ones is mostly to make it a bit more difficult for others to track your finances.
12  Bitcoin / Bitcoin Discussion / Re: Acellero Xtreme 5970? Any good for mining? on: March 14, 2011, 03:34:25 PM
I do not have personal experience with them, but FWIW ArtForz (one of the larger bitcoin miners) has said on IRC that out of 2 of his cards with these coolers, both failed after a few months of mining. Based on that I'd be wary of them.
13  Bitcoin / Mining / Re: Your electricity costs? on: March 11, 2011, 01:08:08 PM
Around 0.1USD/kWh from geothermal and hydroelectric sources. Smiley

Actually Iceland would be a good place for a large-scale mining operation, as you can get electricity quite a bit cheaper if you're a company buying in bulk (especially off-hours).
14  Economy / Economics / Re: Attempting to understand difficulty on: March 06, 2011, 04:06:23 PM
Is there somewhere where I can see difficulty history? The following link is dead -

I found it in google's cache, but it stopped at Block 106848.

Try sipa's graphs at:
15  Other / Off-topic / Re: Why isn't ipv6 backwards compatible ipv4? on: March 05, 2011, 12:14:57 PM
I think that when they sat down and tried to figure out a neat way to do this they quickly realised that legacy support=more code=more bugs=more exploits and less reliability.

IPv6 was a chance to re-imagine the internet all over again. (And lets face it, the internet is still in it infancy, we don't even have a full set of working browsers yes. Tongue), and they have done everything they can to make sure these problems don't come up again.

No, the answer given by jib was completely correct, it is completely impossible (not merely "hard" or "too much work") to build such a protocol.
16  Bitcoin / Bitcoin Discussion / Re: Oldest redeemed bitcoin? on: March 02, 2011, 12:48:08 PM
This means satoshi probably has (At least, has generated for himself) at least somewhere in the close order of 7,000 bitcoins?

Not a bad payout, though I think he underpaid himself, perhaps. Wink

I would be very surprised if he stopped generating after those initial blocks. Why would he?

I guess he has a few 100k stashed away. He deserves it for his work. Smiley
17  Economy / Marketplace / Re: CoinCard - Buying PayPal $ and gift cards with Bitcoin on: February 28, 2011, 09:23:35 PM
Great service mndrix.

I'm interested in suggestions for improvement, especially other gift cards you'd like to buy.  PayPal and Domino's are the only options for now.  Amazon and New Egg might be possible.  I can also support Dwolla payments, if there's interest.

+1 for NewEgg gift cards! They refuse non-US credit cards so gift cards seem to be the only way to order. If you start selling them I'll definately be a customer. Smiley
18  Economy / Marketplace / Re: Rainbow Tables on Hard Drive - interested ? on: February 21, 2011, 11:51:54 PM
Hi, I'm just curious.

Would you buy hard drives (up to 2TB) with rainbow tables(lm, ntlm, md5, sha1, ...) on it ?

I might if you have the A5/1 tables Smiley

Metered internet sucks balls. I've already gone over my monthly quota, so my 100Mbit/s fiber is throttled to 64Kbit/s.

19  Other / Off-topic / Re: How cyber-rich are you? on: February 10, 2011, 10:35:47 PM
Hehe, I miss newlibertystandard's 0.005 rates...

I spent ~8000 btc (almost all I had) on a month's rent of a VPS the day before the slashdot. Not my best financial decision so far given current rates. Smiley
20  Bitcoin / Bitcoin Technical Support / Windows background mining? on: February 10, 2011, 10:48:05 AM
Hi all,

I'm throwing this out there because I'm not a windows guy, but I've been asked:

Is it possible to mine btc in the background with an ATI card (suppose noone is logged in)? I know on linux with ATI drivers X needs to be running.

Anyone have good step-by-step instructions for this?
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