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Content | Score | Started by | Date posted | ||
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Bitcoin protocol standarization Development & Technical Discussion
The issue in creating a standard protocol is documenting all the bugs in the cur…
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n/a | gmaxwell | November 29, 2014, 08:59:59 PM |
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ECDSA math Development & Technical Discussion
Yes, if you know the private key. What awful thing are you doing?
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n/a | gmaxwell | November 28, 2014, 05:03:18 AM |
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Pseudonimity compromised? Development & Technical Discussion
The headline is kind of misleading. I'm not sure that anyone who'd considered t…
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n/a | gmaxwell | November 28, 2014, 05:01:03 AM |
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Pseudonimity compromised? Development & Technical Discussion
The headline is kind of misleading. I'm not sure that anyone who'd considered t…
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n/a | gmaxwell | November 28, 2014, 02:48:03 AM |
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On the Section 5 (Network) in the Original Bitcoin Whitepaper Development & Technical Discussion
By the way, why is there an upper size limit for a block?To prevent the system f…
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n/a | gmaxwell | November 27, 2014, 05:46:56 PM |
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Anonymity in the Mini-Blockchain scheme Altcoin Discussion
You're right, any additively homomorphic encryption would do. I chose Paillier b…
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n/a | gmaxwell | November 27, 2014, 05:29:32 AM |
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Anonymity in the Mini-Blockchain scheme Altcoin Discussion
It's not clear to me why it's using the paillier encryption. The commitment agr…
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n/a | gmaxwell | November 27, 2014, 02:02:05 AM |
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Blowing the lid off the CryptoNote/Bytecoin scam (with the exception of Monero) Altcoin Discussion
No, it uses EdDSA which are Schnorr signatures (provably secure under the random…
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n/a | gmaxwell | November 25, 2014, 09:21:33 PM |
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Something at stake - proof of stake alternative Altcoin Discussion
This is not addressing the fundamental limitation which is that 'bet' is entirel…
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n/a | gmaxwell | November 25, 2014, 03:05:14 PM |
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a copy of the blockchain with a full transaction index to get started? Bitcoin Technical Support
I typed "yes" and it has been reindexing for three days now. I don't know if thi…
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n/a | gmaxwell | November 25, 2014, 02:21:02 AM |
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As a developer, what's the best way to accept BTC without using third-parties Development & Technical Discussion
Scalability is not ultimately limited by the bitcoin network, but also by connec…
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n/a | gmaxwell | November 23, 2014, 11:03:36 PM |
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As a developer, what's the best way to accept BTC without using third-parties Development & Technical Discussion
No, but you are concerned about scalability while I don't know what you are doin…
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n/a | gmaxwell | November 23, 2014, 07:12:34 PM |
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As a developer, what's the best way to accept BTC without using third-parties Development & Technical Discussion
Have you looked into Baron? https://github.com/slickage/baron
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n/a | gmaxwell | November 21, 2014, 06:44:14 PM |
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Idea for ASiC resistance Altcoin Discussion
Suppose a coin switches its hashing algorithm each time a new block is found. Al…
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n/a | gmaxwell | November 20, 2014, 01:21:17 PM |
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chaum, offline coins vs BGP & bitcoin Development & Technical Discussion
Its kind of curious that according to the selfish-mining paper, if that remains…
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n/a | gmaxwell | November 19, 2014, 08:23:05 PM |
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A Decentralized Exchange? Development & Technical Discussion
Most of the people talking about that are handwaving, and not even defining the…
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n/a | gmaxwell | November 13, 2014, 05:06:09 PM |
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Speeding up bitcoind compilation? Development & Technical Discussion
Make sure you have ccache installed (and that it's being used).It will speedup w…
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n/a | gmaxwell | November 13, 2014, 05:00:59 PM |
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Treshold Signature Implementation ? Development & Technical Discussion
The scheme in the paper doesn't really work. It turned out to be unimplementable…
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n/a | gmaxwell | November 12, 2014, 08:28:31 PM |
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Merkle tree of the block hashes Development & Technical Discussion
A miner could be lucky to get the lowest hash. The odds of getting N low hashes…
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n/a | gmaxwell | November 11, 2014, 10:14:01 PM |
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Merkle tree of the block hashes Development & Technical Discussion
Using the lowest value hashes, however, let you pick the correct longest chain a…
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n/a | gmaxwell | November 11, 2014, 07:30:06 PM |
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Broadcasting all headers that are at least 6 blocks deep Development & Technical Discussion
Seems overly complicated considering that little that existing implementations d…
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n/a | gmaxwell | November 11, 2014, 07:22:43 PM |
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Block size hard-fork an opportunity to make other changes Development & Technical Discussion
Script types that include public keys are useful for applications that want to u…
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n/a | gmaxwell | November 04, 2014, 02:21:54 AM |
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Testnet specific code being exploited Development & Technical Discussion
The behaviour in testnet is intentionally insecure. Things like the difficulty r…
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n/a | gmaxwell | November 04, 2014, 02:10:18 AM |
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Faster bitcoin transaction times Development & Technical Discussion
Now that the discussion on side chains is more advanced, it looks like a side ch…
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n/a | gmaxwell | November 02, 2014, 11:33:10 PM |
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What are checkpoints in bitcoin code? Development & Technical Discussion
This is where I'm losing you. Yes there may be a checkpoint, but highest total d…
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n/a | gmaxwell | November 01, 2014, 10:51:29 PM |
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TeaCoin - BlockChain Problem?? Block Reward Reset Altcoin Discussion
Have you also noticed your consensus split along implementation/architecture bou…
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n/a | gmaxwell | November 01, 2014, 09:36:35 PM |
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What are checkpoints in bitcoin code? Development & Technical Discussion
pow is a form of validity.It isn't. See the discussion about fraud proofs and pr…
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n/a | gmaxwell | November 01, 2014, 08:44:05 PM |
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Faster bitcoin transaction times Development & Technical Discussion
I was saying that this algorithm was something that Bitcoin could use as well..…
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n/a | gmaxwell | November 01, 2014, 08:03:25 PM |
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What are checkpoints in bitcoin code? Development & Technical Discussion
special about 60 days of work?It's an arbitrary big number which is hopefully ma…
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n/a | gmaxwell | November 01, 2014, 07:39:58 PM |
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Faster bitcoin transaction times Development & Technical Discussion
Great talk. I'd really like to see some responses. Transcribe it. Watching an ho…
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n/a | gmaxwell | November 01, 2014, 07:19:36 PM |
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Faster bitcoin transaction times Development & Technical Discussion
Please stop trying to make me out like I don't know what I'm talking about.You k…
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n/a | gmaxwell | November 01, 2014, 07:17:06 PM |
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Faster bitcoin transaction times Development & Technical Discussion
I don't believe that money can be or is evil. And getting paid is something that…
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n/a | gmaxwell | November 01, 2014, 06:07:38 PM |
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What are checkpoints in bitcoin code? Development & Technical Discussion
No it doesn't. It can skip verifying very deeply burred signatures (as is the ch…
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n/a | gmaxwell | November 01, 2014, 05:47:55 PM |
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Faster bitcoin transaction times Development & Technical Discussion
Also, I love cryptocurrency and I think it's got a bright shiny future ahead of…
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n/a | gmaxwell | November 01, 2014, 05:10:24 PM |
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Faster bitcoin transaction times Development & Technical Discussion
Actually, I'm in the process of patenting a decentralized, secure, fast instant…
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n/a | gmaxwell | November 01, 2014, 04:05:17 PM |
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What are checkpoints in bitcoin code? Development & Technical Discussion
Good point. Parallel downloading is awesome. But the CPU still has to crunch ALL…
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n/a | gmaxwell | November 01, 2014, 03:53:15 PM |
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What are checkpoints in bitcoin code? Development & Technical Discussion
I still have not heard a reasonable argument as to why this can't/won't work.Bec…
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n/a | gmaxwell | November 01, 2014, 03:50:14 PM |
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What are checkpoints in bitcoin code? Development & Technical Discussion
Far better to just get rid of them: Headers first makes most reasons obsolete. …
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n/a | gmaxwell | November 01, 2014, 04:28:52 AM |
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Funding network security in the future Development & Technical Discussion
Verification is more important, yes. But I expect that the total cost of hashing…
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n/a | gmaxwell | October 30, 2014, 07:59:04 PM |
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Funding network security in the future Development & Technical Discussion
(an incentive for the user to give up on a beneficial tx to conserve a resource…
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n/a | gmaxwell | October 30, 2014, 06:47:40 PM |
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Funding network security in the future Development & Technical Discussion
I believe a good proxy for this is the total number of coins transferred in the…
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n/a | gmaxwell | October 30, 2014, 06:26:42 PM |
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A(nother) downside to Proof-of-Stake? Development & Technical Discussion
A workaround would be for each output to have 2 keys, a spending key and a POS k…
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n/a | gmaxwell | October 30, 2014, 05:46:31 PM |
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Funding network security in the future Development & Technical Discussion
Hm. I'll think about this more before I answer, I don't want to waste anyone's t…
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n/a | gmaxwell | October 29, 2014, 05:27:19 PM |
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Funding network security in the future Development & Technical Discussion
I would expect that once inflation stops, transaction fees will not be enough fo…
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n/a | gmaxwell | October 29, 2014, 04:52:01 PM |
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Funding network security in the future Development & Technical Discussion
the P2P node network could configure itself as a giant parallel processor,This…
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n/a | gmaxwell | October 29, 2014, 01:42:47 AM |
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Why blockchains might want to consider using AT "Turing complete" txs Bitcoin Discussion
Doesn't splitting every operation into micro-operations and feeding the result t…
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n/a | gmaxwell | October 28, 2014, 04:49:48 PM |
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Miner accepting non-standard txs required! Development & Technical Discussion
I feel sorry to see the referral code disclosed outside of the intended communit…
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n/a | gmaxwell | October 28, 2014, 04:21:00 PM |
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Why blockchains might want to consider using AT "Turing complete" txs Bitcoin Discussion
Kind of annoying that this has every instruction taking memory operands directly…
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n/a | gmaxwell | October 28, 2014, 02:43:56 PM |
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Bad bitcoin neighbor permanently prevents progress of good bitcoin node Bitcoin Technical Support
Thanks for following up, ... yep, known and expected behaviour, a side effect of…
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n/a | gmaxwell | October 27, 2014, 11:38:49 PM |
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Bad bitcoin neighbor permanently prevents progress of good bitcoin node Bitcoin Technical Support
It doesn't, your front node would have begun pulling the chain after a new block…
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n/a | gmaxwell | October 27, 2014, 03:53:16 PM |
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Missing params desc. in wiki + selective binding ports to ip adresses not work. Bitcoin Technical Support
It seems like -whitelist and -whitebind is missing from the wiki:https://en.bitc…
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n/a | gmaxwell | October 25, 2014, 04:27:02 PM |
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Pegged Sidechains [PDF Whitepaper] Development & Technical Discussion
It's trivial to prove an absence in a ordered data-structure (like the linked li…
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n/a | gmaxwell | October 25, 2014, 12:47:15 PM |
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New Powerful Attacks On ECDSA In Bitcoin Systems Development & Technical Discussion
Weird and not new.It's complaining about a combination of things; one is that BI…
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n/a | gmaxwell | October 25, 2014, 11:58:51 AM |
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What is the purpose of this transaction? Development & Technical Discussion
P2pool used to store its sharechain commitments (which is how it achieves trustl…
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n/a | gmaxwell | October 18, 2014, 01:37:55 AM |
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Whatever happened to Bitcoin Affiliate Network? Pools
One of the people seemingly involved (fire000) who was attacking everyone negati…
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n/a | gmaxwell | October 16, 2014, 03:51:43 PM |
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Message to devs from merchant Development & Technical Discussion
Spv could work, but youd want to be connected to a few nodes at a time to be con…
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n/a | gmaxwell | October 16, 2014, 02:24:15 AM |
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Armory, Bitcoin Core take a long long time to install: 48 hours + (BTC = null;) Armory
Most of the time taken for hosts when its slow to sync is orphan handing or wait…
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n/a | gmaxwell | October 15, 2014, 01:00:06 PM |
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Looking into forking the core wallet to use parallel computing to verify blocks Development & Technical Discussion
Phase 1 & 3 are on CPU. Phase 2 is on GPU. 0.067733 ms per verification.I have a…
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n/a | gmaxwell | October 13, 2014, 09:14:50 PM |
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bitXOR - A generic file encryption method originally designed for my bitcoin wallet Off-topic
cyclically xor-ed with the pass key.This sounds like dangerously crackable snake…
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n/a | gmaxwell | October 13, 2014, 08:45:50 PM |
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How are the bitcoin block hash generated? Development & Technical Discussion
Are they trully 100% random (generated by hardware) or is it pseudo-random (gene…
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n/a | gmaxwell | October 12, 2014, 05:20:01 PM |
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Delete private key from wallet Bitcoin Technical Support
We have intentionally not provided one because it is such a huge footgun and is…
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n/a | gmaxwell | October 11, 2014, 02:19:11 PM |
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Why I see the bitcoind currently distributed in Gentoo Linux as broken Development & Technical Discussion
FWIW, it's off now (in the overlay, in the real package when it's pulled) http:/…
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n/a | gmaxwell | October 10, 2014, 07:48:31 AM |
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Preventing Asic mining [fork] after next halving would solve a lot of problems. Development & Technical Discussion
The security argument for Bitcoin works if you set the price of mining hardware…
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n/a | gmaxwell | October 09, 2014, 01:37:57 PM |
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Looking into forking the core wallet to use parallel computing to verify blocks Development & Technical Discussion
Could you rephrase that slightly? I am not sure if you mean it will work or,Ther…
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n/a | gmaxwell | October 09, 2014, 11:56:55 AM |
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Preventing Asic mining [fork] after next halving would solve a lot of problems. Development & Technical Discussion
But one moment in future it will rapidly fall to zero.Similar to how one moment…
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n/a | gmaxwell | October 09, 2014, 11:38:33 AM |
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Looking into forking the core wallet to use parallel computing to verify blocks Development & Technical Discussion
Bitcoin core's verification is already parallel. But there isn't as much parall…
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n/a | gmaxwell | October 09, 2014, 01:45:35 AM |
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Increasing the block size is a good idea; 50%/year is probably too aggressive Development & Technical Discussion
(e.g. by using transaction hashes and/or IBLT), once implemented, will certainly…
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n/a | gmaxwell | October 08, 2014, 07:13:35 PM |
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Proposal for eventual hash replacement Development & Technical Discussion
That isn't a hash function. It's a signature system (sadly one based on the auth…
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n/a | gmaxwell | October 08, 2014, 07:01:12 PM |
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A vulnerability in olalonde's implementation of gmaxwell's proof-of-solvency Development & Technical Discussion
The requirement is that if there is fraud it must be detectable by some user und…
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n/a | gmaxwell | October 08, 2014, 03:35:20 PM |
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Bicliques preimage attack, is it a worry? Development & Technical Discussion
No, more certification weaknesses (around 2^256 work) on reduced round versions.
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n/a | gmaxwell | October 02, 2014, 01:30:14 PM |
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Can side-chains be used to achieve optimal network security / transaction fees? Development & Technical Discussion
Handling the non-1:1 case when the 1:1 case is solved is trivial, more challengi…
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n/a | gmaxwell | September 26, 2014, 11:46:58 PM |
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Bitcoin v1 questions Development & Technical Discussion
The next major version will be v 0.10
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n/a | gmaxwell | September 26, 2014, 12:39:20 PM |
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sendtoaddress sendmany api change proposal. Development & Technical Discussion
We don't generally use BIPs for random UI things.As far as the idea goes— perhap…
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n/a | gmaxwell | September 26, 2014, 12:38:13 PM |
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Difference Wallet - Brainwallet Beginners & Help
Do not use a brainwallet unless you really know exactly what you are doing.If yo…
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n/a | gmaxwell | September 25, 2014, 03:33:57 PM |
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Is calendar time used in the Bitcoin network? Development & Technical Discussion
Does that mean that if the Bitcoin protocol is changed so that all nodes check f…
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n/a | gmaxwell | September 22, 2014, 01:57:39 PM |
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BIP proposal: Automatic Wallet Backup scheme Development & Technical Discussion
ASIC-8Tile - We are trying to get away from servers.You misunderstand the sense…
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n/a | gmaxwell | September 22, 2014, 12:19:13 PM |
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delete Archival |
n/a | gmaxwell | September 22, 2014, 03:00:12 AM |
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Were mining pools originally considered Development & Technical Discussion
...Quoteand if they are in fact a desirable thing to have as part of the network…
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n/a | gmaxwell | September 21, 2014, 10:01:02 PM |
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delete Archival |
n/a | gmaxwell | September 19, 2014, 08:55:17 PM |
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delete Archival |
n/a | gmaxwell | September 19, 2014, 02:43:28 PM |
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Using sipa's secp256k1 library to find a public key from a private key Development & Technical Discussion
I think you want to use secp256k1_ecmult_gen() followed by secp256k1_ge_set_gej(…
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n/a | gmaxwell | September 18, 2014, 07:03:00 PM |
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Were mining pools originally considered Development & Technical Discussion
I am wondering if mining pools were originally thought about when Satoshi origin…
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n/a | gmaxwell | September 17, 2014, 11:34:15 PM |
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Running a full node is starting to be a pain Development & Technical Discussion
Yeah, I found that discussion a while ago, am a bit frustrated that nothing seem…
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n/a | gmaxwell | September 17, 2014, 03:10:47 PM |
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Speed up the import of bootstrap.dat using mining hardware - is it possible? Development & Technical Discussion
It seems that the complexity of the import algorithm is worse than linear with t…
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n/a | gmaxwell | September 16, 2014, 02:44:52 PM |
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How to run testnet and bitcoind on same server Bitcoin Technical Support
So if you are e.g. running sshd on the default port on the same IP address prepa…
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n/a | gmaxwell | September 07, 2014, 09:42:59 PM |
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Im getting free BTCs mined to my wallet - WTF??? Bitcoin Technical Support
but who doesn't like free money, right? Of course you're going to pay attention…
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n/a | gmaxwell | September 07, 2014, 08:34:49 PM |
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[Want Feedback] Improved Stealth Address send/discovery method. Development & Technical Discussion
What you're proposing there isn't new -- it's older than "stealth adresses", but…
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n/a | gmaxwell | September 07, 2014, 03:41:59 PM |
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Using OP_CAT Development & Technical Discussion
You just have to have alice and bob prove that they know the discrete logs of th…
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n/a | gmaxwell | September 07, 2014, 03:17:29 PM |
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Unique Ring Signatures using secp256k1 keys Development & Technical Discussion
Could a ring signature set of several million people be created? Is there a limi…
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n/a | gmaxwell | September 05, 2014, 05:15:44 PM |
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New idea for security to sell - all malware obsolete Altcoin Discussion
People making extraordinary claims should provide extraordinary evidence.Separat…
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n/a | gmaxwell | September 05, 2014, 12:08:33 PM |
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Using OP_CAT Development & Technical Discussion
1a) implicit conversions between integers and bit strings with semantics dependi…
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n/a | gmaxwell | September 04, 2014, 06:19:28 PM |
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Peter Todd's OP_CHECKLOCKTIMEVERIFY Development & Technical Discussion
We've already got good reason to expand the context to be at least the CTxOut's…
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n/a | gmaxwell | September 04, 2014, 05:00:00 PM |
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Unique Ring Signatures using secp256k1 keys Development & Technical Discussion
QuoteI don't really know exactly what the ring signature protocol is (any links?…
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n/a | gmaxwell | September 04, 2014, 04:51:39 PM |
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Running a full node is starting to be a pain Development & Technical Discussion
What versions are your nodes based on? For current versions there should be rela…
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n/a | gmaxwell | September 04, 2014, 12:52:51 PM |
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why did bitcoin choose secp256k1 over secp256r1? Development & Technical Discussion
I believe that the ECC/NSA thread you referenced did eventually nail down every…
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n/a | gmaxwell | September 04, 2014, 12:46:36 PM |
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why did bitcoin choose secp256k1 over secp256r1? Development & Technical Discussion
I took the question to crypto.stackexchange.http://crypto.stackexchange.com/ques…
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n/a | gmaxwell | September 04, 2014, 06:39:33 AM |
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Peter Todd's OP_CHECKLOCKTIMEVERIFY Development & Technical Discussion
Huh? You do have to check the scripts - the scripts are a new way for the transa…
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n/a | gmaxwell | September 04, 2014, 03:44:19 AM |
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Using OP_CAT Development & Technical Discussion
Code:inputs: pubkey signature secretOP_DUP OP_EQUALOP_IF OP_ELSE OP_EQUALVERI…
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n/a | gmaxwell | September 04, 2014, 02:39:55 AM |
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Using OP_CAT Development & Technical Discussion
I absolutely agree that additional type data makes for software which is easier…
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n/a | gmaxwell | September 04, 2014, 02:22:40 AM |
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Peter Todd's OP_CHECKLOCKTIMEVERIFY Development & Technical Discussion
I circulated a patch for a different approach for Bitcoin a long time ago: https…
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n/a | gmaxwell | September 04, 2014, 02:18:24 AM |