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Off-chain anonymous transactions by secure transfer of private keys Development & Technical Discussion
Yeah. If you assume a trust in the authority that made the card, then you can as…
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n/a | gmaxwell | October 30, 2013, 01:29:38 PM |
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Off-chain anonymous transactions by secure transfer of private keys Development & Technical Discussion
I am thinking whether it would be possible to use such a card for offline transa…
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n/a | gmaxwell | October 30, 2013, 01:23:35 PM |
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Off-chain anonymous transactions by secure transfer of private keys Development & Technical Discussion
No trusted third party server – information is secured by each smartcard, there…
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n/a | gmaxwell | October 30, 2013, 01:03:11 PM |
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Off-chain anonymous transactions by secure transfer of private keys Development & Technical Discussion
What is the protocol to establish an authenticated and encrypted channel between…
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n/a | gmaxwell | October 30, 2013, 12:41:15 PM |
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CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
I really like this idea. Simple and practical. It foils the most obvious attempt…
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n/a | gmaxwell | October 30, 2013, 11:30:47 AM |
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CoinSwap: Transaction graph disjoint trustless trading Development & Technical Discussion
Motivation:Alice would like to pay Bob, but doesn't want the whole world (or eve…
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n/a | gmaxwell | October 30, 2013, 01:43:42 AM |
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CoinSwap: Transaction graph disjoint trustless trading. Development & Technical Discussion
I guess the interesting thing about CoinSwap is that the participants do keep so…
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n/a | gmaxwell | October 30, 2013, 09:35:15 AM |
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CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
I guess I wasn't getting that deep, sorry. Just pointing out that in coinjoin t…
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n/a | gmaxwell | October 30, 2013, 03:00:19 AM |
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Idea for a mixer that can't run with your coins Development & Technical Discussion
I was thinking that the same can be accomplished by the protocol socrates1024 de…
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n/a | gmaxwell | October 29, 2013, 06:19:30 PM |
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Off-chain anonymous transactions by secure transfer of private keys Development & Technical Discussion
There is an alert mechanism already built into the system - basically, the walle…
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n/a | gmaxwell | October 29, 2013, 07:55:25 PM |
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What I want in a coin control release. Development & Technical Discussion
But it also reduces the number of unspent txouts, which is good for the whole ne…
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n/a | gmaxwell | October 29, 2013, 07:52:26 PM |
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Off-chain anonymous transactions by secure transfer of private keys Development & Technical Discussion
Petertodd would probably recommend bonding the cards in some (or multiple ways).…
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n/a | gmaxwell | October 29, 2013, 06:07:28 PM |
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Off-chain anonymous transactions by secure transfer of private keys Development & Technical Discussion
Quotetamper-proofPlease say tamper-resistant.Otherwise you are overselling the p…
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n/a | gmaxwell | October 29, 2013, 05:28:12 PM |
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The use of Guy Fawkes Signature in case of ECDSA zero-day exploits Development & Technical Discussion
so dormancy is no protection for those early coins in the face of an attack on…
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n/a | gmaxwell | October 29, 2013, 05:05:35 PM |
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The use of Guy Fawkes Signature in case of ECDSA zero-day exploits Development & Technical Discussion
Any G is as good as any other. Outside of curiosity and historic interest, no o…
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n/a | gmaxwell | October 29, 2013, 02:59:49 PM |
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What I want in a coin control release. Development & Technical Discussion
I would also like these five additional features but they would have to be added…
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n/a | gmaxwell | October 29, 2013, 02:30:20 PM |
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The use of Guy Fawkes Signature in case of ECDSA zero-day exploits Development & Technical Discussion
OK, thanks for explaining.But a super-majority is a relative term.What we are ta…
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n/a | gmaxwell | October 29, 2013, 12:40:27 PM |
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The use of Guy Fawkes Signature in case of ECDSA zero-day exploits Development & Technical Discussion
But it will still cause a hard fork, if you try to spend it with a wrong signatu…
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n/a | gmaxwell | October 29, 2013, 12:00:09 PM |
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The use of Guy Fawkes Signature in case of ECDSA zero-day exploits Development & Technical Discussion
Can you?Maybe I miss something, but there is no opcode to do RSA or DSA verify -…
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n/a | gmaxwell | October 29, 2013, 11:01:02 AM |
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Best Mnemonic Generator Techniques Development & Technical Discussion
Without knowing the specific details of the mathematics of entropy, I kinda get…
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n/a | gmaxwell | October 29, 2013, 10:58:08 AM |
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Idea for a mixer that can't run with your coins Development & Technical Discussion
Why can't you add a feature to bitcoin-qt to generate say 100 addresses and rand…
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n/a | gmaxwell | October 29, 2013, 01:30:33 AM |
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Idea for a mixer that can't run with your coins Development & Technical Discussion
In further discussion retep realized that the Bob side could also be 2-of-2 in t…
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n/a | gmaxwell | October 29, 2013, 01:01:45 AM |
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Idea for a mixer that can't run with your coins Development & Technical Discussion
I suggest calling this an "airgapped payment". The minimum things we need to t…
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n/a | gmaxwell | October 28, 2013, 08:12:15 PM |
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Idea for a mixer that can't run with your coins Development & Technical Discussion
This cannot be implemented in the script today due to disabled op_codes.Can you…
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n/a | gmaxwell | October 28, 2013, 07:22:27 PM |
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How to verify the ownership of Bitcoins? Development & Technical Discussion
Say, a person says he owns 100BTC in certain addresses / wallets. Is there a way…
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n/a | gmaxwell | October 28, 2013, 05:39:11 PM |
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the bs "Satoshi:0.8.99" Development & Technical Discussion
Uh. NTP is pretty much completely insecure in practice. And if you have free con…
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n/a | gmaxwell | October 28, 2013, 02:13:05 PM |
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Should we change the default to P2SH? Development & Technical Discussion
It also expands the size of the entire chain that must be stored forever. It's r…
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n/a | gmaxwell | October 28, 2013, 02:09:17 PM |
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coin wallets getting confused about what time it is. Bitcoin Technical Support
This is just a classic "timezone wrong" issue, I would bet.It doesn't matter if…
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n/a | gmaxwell | October 28, 2013, 03:20:06 AM |
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Suggestion: change the encoding for compressed private keys Development & Technical Discussion
The base58 encodings have a type parameter which specifies the data-type:chainpa…
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n/a | gmaxwell | October 28, 2013, 03:09:59 AM |
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How to verify the ownership of Bitcoins? Development & Technical Discussion
IIRC it was gmaxwell? (or maybe I am just getting him confused with another hard…
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n/a | gmaxwell | October 28, 2013, 12:29:21 AM |
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How to verify the ownership of Bitcoins? Development & Technical Discussion
As long as the signature includes the public key (or the public key is already i…
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n/a | gmaxwell | October 27, 2013, 11:57:21 PM |
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Dust/Transaction too large, how to solve ? Development & Technical Discussion
Peter's script sends the dust to miners - I suspect most people simply want to c…
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n/a | gmaxwell | October 27, 2013, 09:58:33 PM |
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the bs "Satoshi:0.8.99" Development & Technical Discussion
Whats a spying node?Are you suggesting that bitcoin nodes exist solely to watch…
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n/a | gmaxwell | October 27, 2013, 09:39:00 PM |
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the bs "Satoshi:0.8.99" Development & Technical Discussion
FWIW, these are also the same nodes which have been triggering the incorrect tim…
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n/a | gmaxwell | October 27, 2013, 04:51:10 PM |
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hardening brain-wallets with a useful blind proof of work Development & Technical Discussion
Is there a BIP or standard for brain-wallets? Would be interested to read...No.…
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n/a | gmaxwell | October 15, 2013, 05:11:40 PM |
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Creating Bitcoin passports using sacrifices Development & Technical Discussion
"Previously people thought UTXO bloat was an issue, but right now I'm quite conv…
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n/a | gmaxwell | October 27, 2013, 06:09:15 AM |
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Pay to contract with forgability (using a chameleon hash) Development & Technical Discussion
Also bear in mind that other than the fact of shaming a pseudonym (Bob) and tarn…
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n/a | gmaxwell | October 27, 2013, 04:46:19 AM |
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Creating Bitcoin passports using sacrifices Development & Technical Discussion
Artificial mining fees give an advantage to very large miners and could foster c…
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n/a | gmaxwell | October 27, 2013, 04:27:38 AM |
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Analysis of Bitcoin Pooled Mining Reward Systems Pools
Where is CPPSRB?Not worth spending time on. I believe it was invented / became p…
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n/a | gmaxwell | October 26, 2013, 11:01:17 PM |
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[24 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool Pools
Here is Jupiter with .97. Compare to here https://bitcointalk.org/index.php?top…
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n/a | gmaxwell | October 26, 2013, 10:44:13 PM |
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[24 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool Pools
I'm sorry to say this can't be giving me my fair share for my work done on the p…
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n/a | gmaxwell | October 26, 2013, 10:35:43 PM |
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[28 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool Pools
Exactly. I can point my Blades to any other pool, be it one with a getwork inte…
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n/a | gmaxwell | October 26, 2013, 10:32:03 PM |
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[BRAINWALLET] NoBrainr - a hackproof cold wallet generator in 1024 bytes Development & Technical Discussion
I'm unhappy with the subject line describing this as "hack proof", it's strictly…
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n/a | gmaxwell | October 26, 2013, 10:22:29 PM |
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Creating Bitcoin passports using sacrifices Development & Technical Discussion
In theory SINs could be blinded too:You write a small program that takes in a SI…
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n/a | gmaxwell | October 26, 2013, 10:20:36 PM |
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How do you know how much transaction fee to deduct before sending the payment? Development & Technical Discussion
The minimum fee most miners accept is 0.0001 per Kb. You aren't required to pay…
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n/a | gmaxwell | October 26, 2013, 08:25:01 PM |
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Pay to contract with forgability (using a chameleon hash) Development & Technical Discussion
Even if a gangster member puts a pistol to your forehead, making up a forged con…
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n/a | gmaxwell | October 26, 2013, 08:22:18 PM |
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Pay to contract with forgability (using a chameleon hash) Development & Technical Discussion
I guess the first step "publish the point" is critical. I don't see what stops A…
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n/a | gmaxwell | October 26, 2013, 03:16:22 PM |
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Addresses - Shortening and Changing first character Development & Technical Discussion
At some point a system similar to DNS should arise, to improve the situation of…
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n/a | gmaxwell | October 26, 2013, 12:17:51 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
No I am not saying that at all.Then what you are saying makes no sense. If an un…
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n/a | gmaxwell | October 26, 2013, 12:15:49 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
now my receipt is technically "invalided" cause they revoke that certificate.uhh…
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n/a | gmaxwell | October 25, 2013, 11:40:52 PM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
2) Once the payment has been made, there's no proof that you actually made that…
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n/a | gmaxwell | October 25, 2013, 10:12:31 PM |
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Idea for a mixer that can't run with your coins Development & Technical Discussion
This cannot be implemented in the script today due to disabled op_codes. Even i…
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n/a | gmaxwell | October 25, 2013, 06:56:45 PM |
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Pay to contract with forgability (using a chameleon hash) Development & Technical Discussion
Motivation:Alice wants to pay Bob according to some mutually agreed terms, and d…
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n/a | gmaxwell | October 25, 2013, 06:39:40 PM |
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Idea: Holding wallet Development & Technical Discussion
I have a plan for that: Build some very useful apps on OpenTransactions to show…
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n/a | gmaxwell | October 25, 2013, 03:20:07 PM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
Maybe it is not (anyway I don't think bitcoin will be used as a payment medium a…
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n/a | gmaxwell | October 25, 2013, 10:57:24 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
And from risk management point of view, this move is also risky for bitcoin, bec…
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n/a | gmaxwell | October 25, 2013, 09:15:20 AM |
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unlinkable public deterministic wallet addresses Development & Technical Discussion
It seems to me you could make public derivation unlinkable eg by creating a rand…
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n/a | gmaxwell | October 25, 2013, 08:27:59 AM |
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Difficulty and zeroes? Development & Technical Discussion
Okay. So bitcoin does not use zeros. I thought it used zeros in binary or someth…
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n/a | gmaxwell | October 24, 2013, 01:45:16 AM |
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Proof of Storage to make distributed resource consumption costly. Development & Technical Discussion
Motivation:Consider a mutually distrusting decentralized network where each node…
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n/a | gmaxwell | October 13, 2013, 06:28:40 PM |
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Difficulty and zeroes? Development & Technical Discussion
If Bitcoin uses the number of preceding zeroes in a block (000000000000000a14da3…
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n/a | gmaxwell | October 23, 2013, 09:13:02 PM |
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bitcoin qt not downloading the rest of the blockchain Bitcoin Technical Support
If the initial peer it pulls from is unresponsive or hangs up then it may wait u…
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n/a | gmaxwell | October 23, 2013, 09:10:17 PM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
I'm the "proposer" and I know exactly what the interlock protocol does. It flat…
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n/a | gmaxwell | October 23, 2013, 01:45:24 AM |
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Python Bitcoin ECC library, supports signing, Electrum, transactions (no blocks) Development & Technical Discussion
I'm thinking of maybe implementing BIP38, mostly for making encrypted paper wall…
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n/a | gmaxwell | October 23, 2013, 01:26:55 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
Well, to me it's sexy to improve and work on the UI at least .Okay sure, but it'…
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n/a | gmaxwell | October 22, 2013, 04:27:44 PM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
Most of the devs I know have a habit: They must do something every day Payment…
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n/a | gmaxwell | October 22, 2013, 03:20:28 PM |
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bitcoin qt not downloading the remainder of the block Bitcoin Technical Support
I downloaded the latest Bitcoin -qt client and not it sees that I have all but t…
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n/a | gmaxwell | October 22, 2013, 02:09:15 PM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
"Word salad" is an expression that's used to describe sentences that are logical…
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n/a | gmaxwell | October 22, 2013, 01:54:29 PM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
I will be agonisingly clear.Your agonizing clarity is failing me. Sorry.QuoteThe…
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n/a | gmaxwell | October 22, 2013, 12:28:21 PM |
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Reducing UTXO: users send parent transactions with their merkle branches Development & Technical Discussion
I am a naughty thread participant. I just patterned matched what the OP was sayi…
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n/a | gmaxwell | October 22, 2013, 01:12:47 PM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
I think non-repudiation and other technical side-effects of integrating this pro…
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n/a | gmaxwell | October 22, 2013, 10:40:34 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
All these "you"s are the person sending the payments request, are they not? Yes,…
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n/a | gmaxwell | October 22, 2013, 09:16:24 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
So as I already wrote, 15 years from now it may not be possible to buy something…
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n/a | gmaxwell | October 22, 2013, 08:38:59 AM |
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If one day, people find Bitcoin is no longer safe. How about the feature of btc? Development & Technical Discussion
I'm sure your english is much better than my ability to speak whatever language…
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n/a | gmaxwell | October 22, 2013, 08:34:31 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
However, you would have to trust the merchant not to scam you".None of that list…
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n/a | gmaxwell | October 22, 2013, 05:45:11 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
But at any rate, calling the PKI "centralised" vs Bitcoin "decentralised" is kin…
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n/a | gmaxwell | October 22, 2013, 05:20:07 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
There should have been a poll or something about the payment protocol.Do you eve…
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n/a | gmaxwell | October 22, 2013, 02:48:56 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
I was clearly the one being rude in this thread [...] cause I don't bow down to…
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n/a | gmaxwell | October 22, 2013, 01:27:17 AM |
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Invoices/Payments/Receipts proposal discussion Development & Technical Discussion
Why should I be banned cause I posted my opinions and they aren't what you want…
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n/a | gmaxwell | October 22, 2013, 12:17:01 AM |
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Important Message to Crypto Wallet DEVELOPERS (https downloads + SHA Checksums) Development & Technical Discussion
This is a duplicate of a recent thread, and wasn't news. In the future, please t…
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n/a | gmaxwell | October 22, 2013, 12:03:48 AM |
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Size of blockchain and clients that don't require a full download? Bitcoin Technical Support
Electrum/MultiBit/etc. can also provide updated code that behaves differently th…
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n/a | gmaxwell | October 21, 2013, 10:00:47 AM |
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Size of blockchain and clients that don't require a full download? Bitcoin Technical Support
https://blockchain.info/walletI call shenanigans on this. The site can replace t…
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n/a | gmaxwell | October 21, 2013, 09:43:56 AM |
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And if half of the miners turn off their hardwares ? Development & Technical Discussion
No doubt the perpetrators of this "attack" can expect much riches. I recommend t…
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n/a | gmaxwell | October 21, 2013, 09:35:22 AM |
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SourceForge blockchain checksums typo Development & Technical Discussion
https://bitcointalk.org/index.php?topic=145386.0
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n/a | gmaxwell | October 20, 2013, 04:35:09 PM |
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Reducing UTXO: users send parent transactions with their merkle branches Development & Technical Discussion
Wow, I'd just assumed that was a typo, not that you actually thought that. An in…
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n/a | gmaxwell | October 20, 2013, 04:28:22 PM |
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BIP0032 Mistake Development & Technical Discussion
Keys resulting from BIP32 must always be compressed, it's part of the specificat…
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n/a | gmaxwell | October 20, 2013, 04:26:19 PM |
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SourceForge blockchain checksums typo Development & Technical Discussion
Signature is correct and checksums okay, but they are SHA1 sums, not SHA512 like…
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n/a | gmaxwell | October 20, 2013, 04:24:53 PM |
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Financial Privacy and Verifiable Transactions Development & Technical Discussion
We get along fine in physical space with cash that's non-divisible and non-joina…
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n/a | gmaxwell | October 20, 2013, 02:46:15 PM |
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Unknown transaction - very interesting [SOLVED] Bitcoin Technical Support
I believe that there ought to be a privacy-consciousness setting in the client;…
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n/a | gmaxwell | October 20, 2013, 02:32:38 PM |
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New ultra fast ASIC machines, who is legit and trustworthy and who isn't? CPU/GPU Bitcoin mining hardware
Very few of them factor in how rapidly the difficulty is increasing.A problem he…
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n/a | gmaxwell | October 20, 2013, 01:36:22 PM |
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I generated an address that already exists Bitcoin Technical Support
Do we actually know what happened? See the thread. The transaction was already i…
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n/a | gmaxwell | October 20, 2013, 01:06:53 PM |
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Is it possible to include a large amount fee while sending a small amount coins? Bitcoin Technical Support
Could you tell me how and why that was? (You don't mean the version that fixed t…
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n/a | gmaxwell | October 20, 2013, 12:55:52 PM |
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I generated an address that already exists Bitcoin Technical Support
I suggest he proves to us he controls the private key for this address by public…
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n/a | gmaxwell | October 20, 2013, 12:47:22 PM |
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Standard Bitcoin-Qt client is burning up my CPU on OSX 10.8.5 Bitcoin Technical Support
I do not believe this can be "normal". I've run bit-coin qt on all kinds of muc…
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n/a | gmaxwell | October 20, 2013, 10:30:50 AM |
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I generated an address that already exists Bitcoin Technical Support
@OP: did your wallet balance increase when you generated that address? If not, t…
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n/a | gmaxwell | October 20, 2013, 10:24:45 AM |
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I generated an address that already exists Bitcoin Technical Support
Open up the debug console (help->debug window->console), type in:gettransaction…
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n/a | gmaxwell | October 20, 2013, 01:21:21 AM |
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I generated an address that already exists Bitcoin Technical Support
Updated my first post with the address.I had to enter a unique label before crea…
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n/a | gmaxwell | October 20, 2013, 12:31:20 AM |
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Reducing UTXO: users send parent transactions with their merkle branches Development & Technical Discussion
Won't this increase the use of bandwidth, which is much more expensive than loca…
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n/a | gmaxwell | October 19, 2013, 11:31:39 PM |
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Proof of Storage to make distributed resource consumption costly. Development & Technical Discussion
I initially thought "Proof of Storage" would mean that A has a large file that B…
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n/a | gmaxwell | October 19, 2013, 09:34:48 PM |
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Where exactly are these Bitcoins mined from? Development & Technical Discussion
Are you asking about all bitcoins in the Bitcoin system?The newly created aren't…
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n/a | gmaxwell | October 19, 2013, 08:47:44 PM |
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How does vanitygen know when 100% is? Development & Technical Discussion
It shouldn't be too hard to figure out how many possible addresses there are tha…
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n/a | gmaxwell | October 19, 2013, 08:31:07 PM |
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