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BouncyCastle - How to generate Bitcoin compatible keys, signatures, and verify? Development & Technical Discussion
Here's what I would suggest. Create a new key pair in your code. Hash and sign s…
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n/a | Hal | January 27, 2011, 07:05:46 PM |
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Can someone explain the details of how OP_CHECKSIG operates? Development & Technical Discussion
I was able to verify the signature using the openssl command line and a bunch of…
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n/a | Hal | January 27, 2011, 02:54:32 PM |
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how to figure out transaction in values from addresses Bitcoin Discussion
The sum of the IN values has to be greater than or equal to the sum of the OUT v…
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n/a | Hal | January 27, 2011, 01:49:02 AM |
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Can someone explain the details of how OP_CHECKSIG operates? Development & Technical Discussion
Okay, I did that too, and the secret is that the scriptSig is entirely removed a…
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n/a | Hal | January 27, 2011, 01:42:06 AM |
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Can someone explain the details of how OP_CHECKSIG operates? Development & Technical Discussion
What you are doing looks pretty good to me now that I understand it better. I tr…
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n/a | Hal | January 26, 2011, 07:16:08 PM |
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Can someone explain the details of how OP_CHECKSIG operates? Development & Technical Discussion
Okay, I've confirmed that hashes OK using sha256sum and gets your value, 0f898c5…
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n/a | Hal | January 26, 2011, 04:17:16 PM |
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Can someone explain the details of how OP_CHECKSIG operates? Development & Technical Discussion
Wow, that's bizarre that the byte order of the hashes is reversed on the wire li…
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n/a | Hal | January 26, 2011, 03:24:30 PM |
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Can someone explain the details of how OP_CHECKSIG operates? Development & Technical Discussion
I don't see how that hex dump corresponds to the transaction. You have outpoint…
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n/a | Hal | January 26, 2011, 02:08:47 PM |
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Reducing block time variability Development & Technical Discussion
Ah, okay, I didn't know that miners worked that way, thanks.
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n/a | Hal | January 25, 2011, 11:34:37 PM |
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Reducing block time variability Development & Technical Discussion
Interesting analysis! Don't forget that in several years, if Bitcoin succeeds, t…
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n/a | Hal | January 25, 2011, 01:51:02 PM |
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properties of an ideal digital money/commodity Bitcoin Discussion
I'd add speed, you shouldn't have to wait too long for a transaction to go throu…
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n/a | Hal | January 25, 2011, 01:27:07 PM |
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Reducing block time variability Development & Technical Discussion
Bitcoin aims to produce blocks every ten minutes. But the actual time between bl…
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n/a | Hal | January 25, 2011, 02:11:52 AM |
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What has it got in its walletses? Development & Technical Discussion
I was scared to upgrade since I had a fair amount of vintage bitcoins in there.…
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n/a | Hal | January 25, 2011, 12:12:57 AM |
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Can someone explain the details of how OP_CHECKSIG operates? Development & Technical Discussion
I made some edits. It might be nice to explain what the various SIGHASH values a…
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n/a | Hal | January 24, 2011, 07:40:31 PM |
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What has it got in its walletses? Development & Technical Discussion
I modified the bc_key program originally by dirtyfilthy, to dump out info on eve…
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n/a | Hal | January 24, 2011, 06:44:45 PM |
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Feature request : signing a text with a wallet key Development & Technical Discussion
Here's where grondilu describes his scripts to sign arbitrary data with wallet k…
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n/a | Hal | January 23, 2011, 10:41:12 PM |
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Feature request : signing a text with a wallet key Development & Technical Discussion
See also the program referenced in post 15 of this thread:http://bitcointalk.org…
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n/a | Hal | January 23, 2011, 07:08:49 PM |
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The real problem behind inflation Economics
I don't think it works that way. The banker can't get a shoe shine with the new…
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n/a | Hal | January 23, 2011, 01:59:47 PM |
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Shy client patch Development & Technical Discussion
Now, when you connect to the port, the client spews out a version message, which…
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n/a | Hal | January 23, 2011, 01:42:21 PM |
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associated bc addresses when minting coins Bitcoin Discussion
Maybe we should fix this duplicate-transaction problem. We could embed the block…
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n/a | Hal | January 22, 2011, 05:27:52 PM |
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Shy client patch Development & Technical Discussion
Meant to add, seems to work ok with other clients, I've got 30+ connections. It…
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n/a | Hal | January 22, 2011, 03:36:20 PM |
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Shy client patch Development & Technical Discussion
I made a patch to make the client "shy". On incoming connections, it won't send…
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n/a | Hal | January 22, 2011, 03:26:13 PM |
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bitcoin addresses Bitcoin Technical Support
Satoshi once suggested that people could hack their client to generate and disca…
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n/a | Hal | January 21, 2011, 05:10:15 PM |
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PROTON-like payments / Smart card for Bitcoins Bitcoin Discussion
Oh I see, the terminal would just look back at the most recent payment to this a…
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n/a | Hal | January 21, 2011, 04:13:52 PM |
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Improve my article Bitcoin Discussion
I really like the style. The intro is funny and ironic, as though you have to ex…
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n/a | Hal | January 21, 2011, 03:06:12 PM |
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Efficient Market Hypothesis Economics
The EMH says that market prices are approximately "correct" and you can't expect…
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n/a | Hal | January 20, 2011, 07:57:00 PM |
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PROTON-like payments / Smart card for Bitcoins Bitcoin Discussion
I think it will work to give change to the paying Bitcoin address. The client av…
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n/a | Hal | January 20, 2011, 06:53:11 PM |
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Getting massive acceptance of Bitcoin Bitcoin Discussion
It's possible to do purely P2P poker using cryptography to shuffle the cards. Th…
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n/a | Hal | January 20, 2011, 02:00:36 PM |
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Emergent art from the free market cypher-sphere Economics
A sign of getting old: Even though it's been almost ten years now, I still can't…
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n/a | Hal | January 19, 2011, 01:27:34 PM |
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Storing messages in the Bitcoin network - a steganographic scheme Bitcoin Discussion
Your name (in the paper) is Nakamoto? Are you any relation to Satoshi?
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n/a | Hal | January 18, 2011, 01:47:31 PM |
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Quantum money using knots Bitcoin Discussion
This would be a centralized system anyway. It's basically equivalent to a bank i…
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n/a | Hal | January 17, 2011, 04:54:20 PM |
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Let's send Satoshi to Financial Cryptography Bitcoin Discussion
No, I didn't have anything to do with that story, I've been assuming the author…
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n/a | Hal | January 17, 2011, 02:30:21 PM |
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Let's send Satoshi to Financial Cryptography Bitcoin Discussion
http://lesswrong.com/lw/1ab/dying_outside/That's my story. Travel is very diffic…
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n/a | Hal | January 17, 2011, 01:20:10 PM |
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Less Wrong Off-topic
Less Wrong by Hal
I read it off and on, and I've met several of the people involved. Yet another w…
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n/a | Hal | January 16, 2011, 06:43:41 PM |
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The Bitcoin Report Bitcoin Discussion
No, it seems I spent it in November, too bad. Of course the client doesn't let u…
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n/a | Hal | January 16, 2011, 05:33:32 PM |
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The Bitcoin Report Bitcoin Discussion
Good question - here's the answer http://bitcoinreport.blogspot.com/2011/01/fir…
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n/a | Hal | January 16, 2011, 02:04:21 PM |
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Ostracism of certain bitcoins. Bitcoin Discussion
By the time an accusation of fraud could be credibly verified, likely there woul…
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n/a | Hal | January 16, 2011, 01:14:53 PM |
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The Bitcoin Report Bitcoin Discussion
That's interesting, I was just wondering about that the other day, what is the h…
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n/a | Hal | January 15, 2011, 10:17:48 PM |
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Let's send Satoshi to Financial Cryptography Bitcoin Discussion
Since we're all rich with bitcoins, or we will be once they're worth a million d…
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n/a | Hal | January 15, 2011, 05:48:22 PM |
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Sound effects Development & Technical Discussion
Sound effects by Hal
I finally got around to building my own client from source (on Ubuntu) and the f…
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n/a | Hal | January 15, 2011, 03:26:20 PM |
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How about hiding confirmations in the UI past 100 Bitcoin Discussion
I find it distracting to see the # confirmations for each transaction. Do I real…
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n/a | Hal | January 14, 2011, 05:12:13 PM |
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Bitcoin in RALLY mode Bitcoin Discussion
The danger is if people are buying bitcoins in the expectation that the price wi…
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n/a | Hal | January 13, 2011, 04:28:08 PM |
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opening Bitcoin client gives error Development & Technical Discussion
Did you build this yourself from source?
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n/a | Hal | January 13, 2011, 01:52:06 PM |
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Looking for a knowledgable person to do a radio interview about BitCoin Bitcoin Discussion
The "old-school cypherpunk" is Perry Metzger, who is (still) the moderator of th…
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n/a | Hal | January 12, 2011, 08:24:36 PM |
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client command line option -wallet= in addition to -datadir=? Development & Technical Discussion
Would it work, on a new machine with no wallet, to create the .bitcoin directory…
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n/a | Hal | January 11, 2011, 04:57:48 PM |
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Parity Party Bitcoin Discussion
Parity Party by Hal
It's pretty strange really that we all see a good chance that bitcoins will hit…
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n/a | Hal | January 11, 2011, 04:17:04 PM |
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Can viruses steal people's bitcoin purses? What can be done for protection? Development & Technical Discussion
If the private keys in the wallet were encrypted, then the virus couldn't get th…
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n/a | Hal | January 10, 2011, 03:10:20 PM |
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Segfault on hardened Linux systems Bitcoin Technical Support
Maybe try puttingreturn false;as the first line of Detect128BitSSE2(), see if th…
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n/a | Hal | January 10, 2011, 01:52:42 PM |
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Buying precious metals Marketplace
How much for an ounce of unobtanium?
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n/a | Hal | January 09, 2011, 12:47:17 PM |
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secp256k1 Development & Technical Discussion |
n/a | Hal | January 09, 2011, 12:58:24 AM |
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A bitcoin cloud? Bitcoin Discussion
Why would it ever stop mining for coins?
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n/a | Hal | January 08, 2011, 02:06:50 PM |
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Bitcoin Currency Symbol ฿ Bitcoin Discussion
Interestingly, the dollar sign originated with two vertical bars rather than one…
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n/a | Hal | January 08, 2011, 02:02:37 PM |
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Idea to make Bitcoins when they become difficult to mint Development & Technical Discussion
Let me unpack this idea into parts.1. Sharing your compute power in a massively…
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n/a | Hal | January 07, 2011, 03:04:37 PM |
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Bitcoin Protocol Specification Development & Technical Discussion
According to Gavin's https://github.com/gavinandresen/bitcointools/blob/master/N…
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n/a | Hal | January 07, 2011, 02:48:25 PM |
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End the Confusion - Organizing the Protocol development effort Bitcoin Discussion
In addition to documenting the on-the-wire protocol, I think we should document…
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n/a | Hal | January 07, 2011, 01:50:14 PM |
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Dare to be Rich! Bitcoin Discussion
The creation of the site was described here: http://bitcointalk.org/index.php?to…
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n/a | Hal | January 07, 2011, 01:39:47 AM |
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50 BTC bounty for a PEM public key to bitcoin address convertor Project Development
As long as OpenSSL outputs keys in this format, it will work. I doubt they'd cha…
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n/a | Hal | January 06, 2011, 07:11:01 PM |
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50 BTC bounty for a PEM public key to bitcoin address convertor Project Development
That's very generous, but I don't feel right taking the bounty for 5 minute's wo…
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n/a | Hal | January 05, 2011, 07:54:02 PM |
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50 BTC bounty for a PEM public key to bitcoin address convertor Project Development
Try doing tail -c 65 after the base64 -d. Your pubkey has ASN.1 cruft.
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n/a | Hal | January 05, 2011, 04:39:04 PM |
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Building computer for mining CPU/GPU Bitcoin mining hardware
According to https://en.bitcoin.it/wiki/Mining_Hardware_Comparison, the 5770 dra…
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n/a | Hal | January 04, 2011, 06:27:38 PM |
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VCC to Verify Paypal/ebay account Marketplace
Paypal tells me that the way to get verified is to link my bank account. How wou…
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n/a | Hal | January 03, 2011, 08:31:57 PM |
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Bitcoin, gold, future Economics
I came up with an even more extravagant estimate of $10 million a couple years a…
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n/a | Hal | January 01, 2011, 08:01:31 PM |
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Bitcoin Bank Economics
Bitcoin Bank by Hal
What I meant about purchases taking longer would be in the range of several hund…
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n/a | Hal | December 30, 2010, 06:20:01 PM |
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Bitcoin in "silent mode" Project Development
Doesn't the client check with multiple connected peers to make sure it has the l…
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n/a | Hal | December 30, 2010, 04:54:55 PM |
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Bitcoin Bank Economics
Bitcoin Bank by Hal
Actually there is a very good reason for Bitcoin-backed banks to exist, issuing…
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n/a | Hal | December 29, 2010, 08:38:40 PM |
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Block 100,000 for Christmas, make that New Years Bitcoin Discussion
Thanks! I'm enjoying the countdown to 100,000. Looks like it might not happen un…
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n/a | Hal | December 27, 2010, 09:11:19 PM |
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Paying myself in Bitcoins? Bitcoin Discussion
Why are you guys so obsessed with paying taxes in the first place ? Because we d…
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n/a | Hal | December 27, 2010, 08:47:49 PM |
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Block 100,000 for Christmas, make that New Years Bitcoin Discussion
We're at block 96,000+ now and block 100,000 is in sight. At current rates it sh…
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n/a | Hal | December 07, 2010, 03:29:57 PM |
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Block 100,000 for Christmas Bitcoin Discussion
Well there wasn't much interest in the bet, that's fine. Looks like Christmas wa…
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n/a | Hal | December 22, 2010, 03:05:40 PM |
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How do you accept Bitcoin donations on Facebook and other sites? Bitcoin Discussion
That's what EFF did for accepting donations. See http://www.eff.org/helpout, abo…
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n/a | Hal | December 21, 2010, 03:49:29 PM |
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a new thought experiment: bitcoin's industry identifier Bitcoin Discussion
I see Bitcoin as ultimately becoming a reserve currency for banks, playing much…
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n/a | Hal | December 20, 2010, 11:36:22 PM |
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Timestamping a file into bitcoin's block chain Development & Technical Discussion
Instead of a file as input, use the hash of a domain name, and you have a quick-…
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n/a | Hal | December 20, 2010, 07:40:14 PM |
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[git patch] Display additional output, when proof-of-work check fails Development & Technical Discussion
Would it be that hard for external miners to do the extra compare, and only retu…
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n/a | Hal | December 20, 2010, 01:28:55 AM |
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Comparison of GPU's Development & Technical Discussion
I'd predict that difficulty will stop rising once it becomes impossible to mine…
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n/a | Hal | December 19, 2010, 10:31:18 PM |
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Seeking savvy attorney Bitcoin Discussion
I got sued back in the 90s over some messages sent via an anonymous remailer I r…
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n/a | Hal | December 17, 2010, 05:30:19 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
"To implement this simply requires adding one new field to each transaction, the…
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n/a | Hal | December 15, 2010, 04:46:24 PM |
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On bitcoin, and BitDNS Bitcoin Discussion
"1.c. Codified verification that can rigorously check if a transaction is vali…
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n/a | Hal | December 14, 2010, 03:20:49 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
I wonder if it would work to put a (possibly salted?) hash of the name into the…
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n/a | Hal | December 13, 2010, 08:18:53 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
I thought of a possible problem with all these proposals: front-running by miner…
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n/a | Hal | December 13, 2010, 05:22:57 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
Seems like everyone's tugging in a different direction. Here are some of the spe…
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n/a | Hal | December 13, 2010, 03:46:29 PM |
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Bitcoin codebase cleaned, should adopt? Development & Technical Discussion
As a relative newbie to the code, I do find your version easier to read. It's ea…
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n/a | Hal | December 13, 2010, 03:21:14 PM |
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SHA v. 3 Algorithm Candidates Finalized Bitcoin Discussion
Actually one of the criteria for SHA-3 is speed, which is not particularly impor…
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n/a | Hal | December 13, 2010, 01:30:43 AM |
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minimalistic bitcoin client on D language? Development & Technical Discussion
Another client is useful, especially since the current Bitcoin client is a big m…
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n/a | Hal | December 11, 2010, 03:08:45 PM |
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All I want for Christmas... Bitcoin Discussion
... is an ATI Radeon HD 5970...Anyone else putting graphics cards on their Chris…
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n/a | Hal | December 10, 2010, 05:00:35 PM |
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Nomenclature convention Bitcoin Discussion
I like the suggestion, hadn't heard it before. I'm trying to follow it now.
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n/a | Hal | December 10, 2010, 03:29:53 PM |
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RFC: Comment field in Transactions Development & Technical Discussion
I though it was funny that calling this an RFC is kind of a play on words. RFC m…
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n/a | Hal | December 10, 2010, 03:26:34 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
OK so if there are going to be bitdnscoins (aka DCCs, DomainChain Coins) then th…
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n/a | Hal | December 10, 2010, 03:12:02 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
Satoshi, are you endorsing the idea that additional block chains would each crea…
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n/a | Hal | December 10, 2010, 02:14:04 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
I agree with ribuck that DNS servers don't necessarily need to get paid, to supp…
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n/a | Hal | December 08, 2010, 03:10:14 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
A few more questions about http://privwiki.dreamhosters.com/wiki/Bitcoin_DNS_Sys…
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n/a | Hal | December 08, 2010, 02:08:55 AM |
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svn r197: IsStandard check for transactions Development & Technical Discussion
jgarzik makes a good argument that the complexity of the scripting system is not…
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n/a | Hal | December 07, 2010, 06:57:22 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
What if the consensus is that the Bitcoin network should not be used to support…
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n/a | Hal | December 07, 2010, 06:40:29 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
My concern is that there would be a rush to grab hot domains. I would expect tha…
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n/a | Hal | December 07, 2010, 03:06:02 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
Well before starting coding, let's make sure we have the protocol clearly writte…
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n/a | Hal | December 07, 2010, 01:13:34 AM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
Whats the general plan here? No reduction in names/block I assume? Won't this ma…
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n/a | Hal | December 06, 2010, 11:51:23 PM |
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Voting For Domain Generation. Bitcoin Discussion
Whats the general plan here? No reduction in names/block I assume? Won't this ma…
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n/a | Hal | December 06, 2010, 11:38:51 PM |
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Two step transfers, for greater trust Bitcoin Discussion
There exists a cryptographic technique called split keys which could be used on…
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n/a | Hal | December 06, 2010, 11:33:20 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
Actually I am concerned that transactions between BTC and DCC may not be simple.…
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n/a | Hal | December 06, 2010, 10:01:38 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
On the question of how many domain names to create per day:http://www.domaintool…
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n/a | Hal | December 06, 2010, 07:29:38 PM |
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BitDNS and Generalizing Bitcoin Bitcoin Discussion
I also had an idea last night of how/where to tie this into the existing DNS.Whe…
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n/a | Hal | December 06, 2010, 04:53:13 PM |
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