| Content | Score | Started by | Date posted | ||
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Including merkleroot of blockheaders in coinbase? Development & Technical Discussion
Well, as soon as I post this I realize this may not be a good idea as SPV client…
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n/a | gmaxwell | May 04, 2015, 03:42:03 AM |
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WTF is this? Someone found a trick for fast mining Development & Technical Discussion
You are manipulating and you know it. I'm not, I am making the most simplistic o…
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n/a | gmaxwell | May 03, 2015, 11:53:35 PM |
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WTF is this? Someone found a trick for fast mining Development & Technical Discussion
If I understand properly Sergio Demian states the weakness of the current mining…
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n/a | gmaxwell | May 03, 2015, 10:08:31 PM |
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WTF is this? Someone found a trick for fast mining Development & Technical Discussion
A node of mine received these blocks at the following timesAs an aside-- I suspe…
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n/a | gmaxwell | May 03, 2015, 04:25:00 PM |
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WTF is this? Someone found a trick for fast mining Development & Technical Discussion
For me this is unusual. Maybe not for you, maybe not for gmaxwell that claims fr…
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n/a | gmaxwell | May 03, 2015, 04:02:33 PM |
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WTF is this? Someone found a trick for fast mining Development & Technical Discussion
Dear Mr gmaxwell, Thank you for your interest and your simulation. I don't think…
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n/a | gmaxwell | May 02, 2015, 11:02:32 PM |
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WTF is this? Someone found a trick for fast mining Development & Technical Discussion
just as it's not a flaw that a few blocks get solved in a short period. Right, i…
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n/a | gmaxwell | May 02, 2015, 09:24:45 PM |
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WTF is this? Someone found a trick for fast mining Development & Technical Discussion
We never heard back of jl2012.I guess he agrees that my argument wasn't fallacio…
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n/a | gmaxwell | May 02, 2015, 08:41:55 PM |
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WTF is this? Someone found a trick for fast mining Development & Technical Discussion
I just did that (sending a message to a developer), and as posted before I am wi…
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n/a | gmaxwell | May 02, 2015, 06:52:51 PM |
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WTF is this? Someone found a trick for fast mining Development & Technical Discussion
Can you explain the mathematical reason why nounces produced by ASICs are not un…
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n/a | gmaxwell | May 02, 2015, 03:48:29 PM |
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WTF is this? Someone found a trick for fast mining Development & Technical Discussion
FWIW, I think Valiron is engaging in misconduct here. At first there is an "inno…
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n/a | gmaxwell | May 02, 2015, 03:41:20 PM |
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WTF is this? Someone found a trick for fast mining Development & Technical Discussion
Nonce are not uniformly distributed because miners always start scanning from 0.…
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n/a | gmaxwell | May 02, 2015, 03:00:10 PM |
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Extracting the Private Key from a TREZOR ... with a 70 $ Oscilloscope Development & Technical Discussion
We have just the solution for this problem - firewall between the crypto control…
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n/a | gmaxwell | May 02, 2015, 02:50:44 PM |
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Clarifying BIP62 Zero-padded number pushes Development & Technical Discussion
No restrictions can be placed on scriptPubKeys or redeemscript-content without p…
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n/a | gmaxwell | April 30, 2015, 11:59:07 AM |
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Semi-soft-fork to decrease the risk of tx malleability Development & Technical Discussion
Is there any consensus that CHECKLOCKTIMEVERIFY will be implemented??Everyone wh…
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n/a | gmaxwell | April 29, 2015, 12:06:43 AM |
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variance in block times --- std deviation Development & Technical Discussion
Block finding is just a poisson process; its variance of the intervals well defi…
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n/a | gmaxwell | April 24, 2015, 05:05:59 PM |
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Likelihood of transaction hash mutating with current state of BIP062 Development & Technical Discussion
Can you explain this?(without resorting to anything that can't be clearly unders…
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n/a | gmaxwell | April 22, 2015, 01:47:56 PM |
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Likelihood of transaction hash mutating with current state of BIP062 Development & Technical Discussion
cannot be mutatedby third parties.
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n/a | gmaxwell | April 22, 2015, 01:25:48 PM |
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Coinjoin improvement..? Development & Technical Discussion
doing so seems to have been a huge success, recent research suggests that coinjo…
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n/a | gmaxwell | April 22, 2015, 12:43:50 PM |
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Semi-soft-fork to decrease the risk of tx malleability Development & Technical Discussion
It would make it easier to do the soft fork checks in code. It would make it ea…
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n/a | gmaxwell | April 22, 2015, 12:42:02 PM |
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Coinjoin improvement..? Development & Technical Discussion
He gave you a nice link that explains blind signatures; and he explains how they…
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n/a | gmaxwell | April 22, 2015, 04:10:09 AM |
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Semi-soft-fork to decrease the risk of tx malleability Development & Technical Discussion
So, version becomes non-monotonic?Correct. And why shouldn't it be? It's just da…
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n/a | gmaxwell | April 21, 2015, 05:24:26 PM |
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Bitcoin Core, can't sync. Receiving wrong header/blocks? Bitcoin Technical Support
Nothing was wrong on my end, there seems to be malicious nodes out there.A bit d…
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n/a | gmaxwell | April 21, 2015, 03:13:20 PM |
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Questions about Lighthouse Transactions Development & Technical Discussion
Lighthouse is all or nothing funding; nothing stops the pledges from being with…
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n/a | gmaxwell | April 21, 2015, 02:40:25 PM |
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Semi-soft-fork to decrease the risk of tx malleability Development & Technical Discussion
It will be exhausted very soon if it is used in this way, isn't it?No, because t…
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n/a | gmaxwell | April 21, 2015, 01:18:25 PM |
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Semi-soft-fork to decrease the risk of tx malleability Development & Technical Discussion
But in the BIP66 description it says it "has the added benefit of reducing trans…
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n/a | gmaxwell | April 21, 2015, 12:17:08 PM |
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Semi-soft-fork to decrease the risk of tx malleability Development & Technical Discussion
we have BIP66 but there are still many forms of malleability to be fixed.BIP66 i…
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n/a | gmaxwell | April 21, 2015, 04:32:54 AM |
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Salvaging refund protocols from malleability attacks with P2SH Development & Technical Discussion
My question a year ago has not been answered. As someone may attack the network…
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n/a | gmaxwell | April 21, 2015, 02:49:32 AM |
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Bitcoin-QT bypassing Tor Development & Technical Discussion
No reason to panic, lets just investigate. There have been leaks in the past bu…
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n/a | gmaxwell | April 20, 2015, 07:15:58 PM |
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Rescan on btcd and bitcoind gives a different set of unspents Bitcoin Technical Support
Feel like testing a patch?Also PRed at: https://github.com/bitcoin/bitcoin/pull/…
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n/a | gmaxwell | April 20, 2015, 11:45:37 AM |
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Bitcoin-QT bypassing Tor Development & Technical Discussion
Thats not very informative; is there a way to tell if that isn't an _inbound_ co…
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n/a | gmaxwell | April 20, 2015, 11:44:24 AM |
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Extracting the Private Key from a TREZOR ... with a 70 $ Oscilloscope Development & Technical Discussion
Looks that it is claims to be protected against all of these attucksUnlikely. P…
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n/a | gmaxwell | April 19, 2015, 04:09:46 PM |
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Rescan on btcd and bitcoind gives a different UTXO set Bitcoin Technical Support
Zero amount outputs can be spent; a bitcoin transaction need not involve any bit…
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n/a | gmaxwell | April 19, 2015, 12:12:45 PM |
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Likely misspellings in source files? Development & Technical Discussion
Where are you looking? git grep on a current checkout shows me no bitconi, thoug…
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n/a | gmaxwell | April 18, 2015, 09:56:29 PM |
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Rescan on btcd and bitcoind gives a different UTXO set Bitcoin Technical Support
listunspent has nothing to do with the utxo set in Bitcoin core, its a wallet fu…
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n/a | gmaxwell | April 18, 2015, 04:59:34 PM |
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Statistical analysis of Bitcoin's difficulty retargeting Development & Technical Discussion
Thanks for taking the time to formalize your thoughts here.I'm surprised that yo…
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n/a | gmaxwell | April 17, 2015, 02:17:03 PM |
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Extracting the Private Key from a TREZOR ... with a 70 $ Oscilloscope Development & Technical Discussion
It took me a while to realize that gmaxwell was talking about secretly recording…
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n/a | gmaxwell | April 17, 2015, 06:16:15 AM |
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Extracting the Private Key from a TREZOR ... with a 70 $ Oscilloscope Development & Technical Discussion
Going by the pulse widths, it seems like a few cents worth of power filtering ca…
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n/a | gmaxwell | April 15, 2015, 06:53:55 AM |
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Public Key Cryptography Off-topic
You haven't said what you wanted to do with it. Bitcoin's system can already ac…
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n/a | gmaxwell | April 13, 2015, 03:16:28 PM |
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Kaspersky and INTERPOL Say Blockchain is Vulnerable Development & Technical Discussion
I suggest taking their claims at face value and asking them why they're behaving…
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n/a | gmaxwell | April 11, 2015, 09:48:20 AM |
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Kaspersky and INTERPOL Say Blockchain is Vulnerable Development & Technical Discussion
However, I don't really know how they spawned a notepad from block chain in the…
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n/a | gmaxwell | April 11, 2015, 07:30:08 AM |
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Convert private key to address with php or python (no bitcoin core / remote API) Development & Technical Discussion
Is there a trustworthy piece of code or library that can do this?Trustworthy? No…
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n/a | gmaxwell | April 09, 2015, 09:30:29 AM |
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Stellar Announcements (Altcoins) |
n/a | gmaxwell | April 09, 2015, 10:16:51 AM |
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Time to bust a myth: Paper wallets are less secure than normal encrypted wallets Bitcoin Discussion
Thanks. You might want to change the ":" to a "." since its easy to misread the…
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n/a | gmaxwell | April 06, 2015, 12:28:52 AM |
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Slowing down block propagation Development & Technical Discussion
For what it's worth, I have a woolly idea. Like most of my ideas though, it's g…
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n/a | gmaxwell | April 05, 2015, 08:18:50 PM |
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Help trying to send multisig raw transaction Development & Technical Discussion
Public keys can be 'compressed', private keys are just private keys and can't be…
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n/a | gmaxwell | April 05, 2015, 05:20:08 AM |
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Multisig questions Development & Technical Discussion
1. Why the f# didn't they add the option to use also bitcoin addresses (instead…
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n/a | gmaxwell | April 05, 2015, 05:18:08 AM |
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How to improve your Bitcoin accessibility. Service Discussion
APIs like that can feed you completely bogus data, at their whim, like payments…
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n/a | gmaxwell | April 05, 2015, 05:13:29 AM |
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Is bitcoin-qt able to scale with large numbers of unconfirmed txIn? Development & Technical Discussion
That's actually kind of awesome. How do you set that kind of test up? You feed…
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n/a | gmaxwell | April 03, 2015, 04:57:48 PM |
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Is bitcoin-qt able to scale with large numbers of unconfirmed txIn? Development & Technical Discussion
I'm seeing some possibly unstable behavior when the unconfirmed tx pool gets ver…
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n/a | gmaxwell | April 03, 2015, 12:23:36 PM |
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Interesting github forks? Development & Technical Discussion
Something that I've wished for in Bitcoin core itself the last few days is an op…
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n/a | gmaxwell | April 03, 2015, 12:18:35 PM |
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Easy, Plug & Play Bitcoin Nodes (Bitcoin Core 0.10) Bitcoin Discussion
RPI -- even rpi2 -- is really underpowered for supporting Bitcoin Core-- it's em…
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n/a | gmaxwell | April 02, 2015, 04:06:22 PM |
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DEA Agents in Silk Road Case Face Fraud Charges Bitcoin Discussion
I think that there must be evidence that these agents planted some or all the go…
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n/a | gmaxwell | March 31, 2015, 10:13:12 AM |
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DEA Agents in Silk Road Case Face Fraud Charges Bitcoin Discussion
Correction to my post. It turns out that it wasn't the case that MTGox did noth…
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n/a | gmaxwell | March 31, 2015, 10:07:05 AM |
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DEA Agents in Silk Road Case Face Fraud Charges Bitcoin Discussion
I don't think the agents made up "claims" or "crimes" that Ulbricht was supposed…
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n/a | gmaxwell | March 31, 2015, 01:06:22 AM |
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DEA Agents in Silk Road Case Face Fraud Charges Bitcoin Discussion
Oh yeah? Haven't you ever heard about 'fruit from the poisoned tree'? Force4 w…
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n/a | gmaxwell | March 31, 2015, 01:25:50 AM |
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trustless address lookup for thin-clients Development & Technical Discussion
There is a recent study showing an attack that exploits the way bitcoin core han…
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n/a | gmaxwell | March 30, 2015, 11:17:38 AM |
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XMR vs DRK Altcoin Discussion
Cryptography has never been a significant part of cryptocurrency - even though i…
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n/a | gmaxwell | March 29, 2015, 01:45:16 PM |
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Thinking about ways to make it more difficult to link IP address to txn creator. Development & Technical Discussion
Actually, it seems the vulnerability has already been identified in 2013:That is…
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n/a | gmaxwell | March 29, 2015, 11:15:34 AM |
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BIP39 mnemonics: checksum vs plausible deniability Development & Technical Discussion
Which has nothing to do with the claimed lack of deniability. Are you having a…
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n/a | gmaxwell | March 27, 2015, 10:09:00 PM |
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BIP39 mnemonics: checksum vs plausible deniability Development & Technical Discussion
The comparison to brainwallet is inaccurate. Would you call bitcoin core's encr…
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n/a | gmaxwell | March 27, 2015, 09:40:07 PM |
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BIP39 mnemonics: checksum vs plausible deniability Development & Technical Discussion
However, gmaxwell suggests that it is unreasonable to assume such ineffectivenes…
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n/a | gmaxwell | March 27, 2015, 07:10:42 PM |
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Adding points on an Elliptic curve Development & Technical Discussion
I see at least one error in your addition implementation (I can point it out if…
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n/a | gmaxwell | March 27, 2015, 05:41:59 AM |
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BIP39 mnemonics: checksum vs (im)plausible deniability Development & Technical Discussion
Example:You've got a "deniable" mnemonic written down, with a few bitcents in it…
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n/a | gmaxwell | March 27, 2015, 04:55:33 AM |
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BIP39 mnemonics: checksum vs plausible deniability Development & Technical Discussion
That deniability is less strong than you (and others) think.Assume I do recover…
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n/a | gmaxwell | March 27, 2015, 02:01:04 AM |
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Checklocktimeverify Development & Technical Discussion
Just saw this, i think it's amazing. I'm wondering what it wasn't included in ve…
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n/a | gmaxwell | March 27, 2015, 01:56:43 AM |
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Will dynamic libraries of libconsensus and secp256k1 be distributed ? Development & Technical Discussion
IIRC, only a very small portion of the consensus code is actually in the library…
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n/a | gmaxwell | March 25, 2015, 03:36:43 PM |
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Will dynamic libraries of libconsensus and secp256k1 be distributed ? Development & Technical Discussion
Eventually.Libsecp256k1 is not used for Bitcoin consensus currently and is not y…
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n/a | gmaxwell | March 25, 2015, 12:34:48 PM |
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Historical question: When did Bitcoin client software implement privacy features Development & Technical Discussion
I don't think that it is. A transaction is an event that consumes inputs and cr…
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n/a | gmaxwell | March 24, 2015, 02:11:09 PM |
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[ADVICE] UPDATE OpenSSL NOW! - 12 vulns! Project Development
but this board is also for the development and technic discussion of general pro…
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n/a | gmaxwell | March 24, 2015, 02:08:45 PM |
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[ADVICE] UPDATE OpenSSL NOW! - 12 vulns! Project Development
The disclosed vulnerabilities are not very exciting for Bitcoin implementations…
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n/a | gmaxwell | March 24, 2015, 11:23:11 AM |
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Flaw or just a bad debater :( Development & Technical Discussion
Your wife is right to not just accept a more secure claim easily.I guess the gre…
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n/a | gmaxwell | March 23, 2015, 09:24:23 AM |
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Likelihood of transaction hash mutating with current state of BIP062 Development & Technical Discussion
From what I understand most of BIP062 is now implemented via soft forkNot so. Th…
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n/a | gmaxwell | March 23, 2015, 07:38:53 AM |
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JavaScript and Js.processing Discussion and Developments Off-topic
Your personal growth and capabilities are not an appropriate subject matter for…
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n/a | gmaxwell | March 22, 2015, 03:58:29 PM |
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Thinking about ways to make it more difficult to link IP address to txn creator. Development & Technical Discussion
I implemented what is effectively 'split routing' for Bitcoin Core some time ago…
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n/a | gmaxwell | March 22, 2015, 12:04:53 PM |
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Quantum Error Correction, Hashing, & Quantum Teleportation Development & Technical Discussion
These are two areas I foresee quantum computing affecting Bitcoin:Quantum comput…
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n/a | gmaxwell | March 22, 2015, 07:53:07 AM |
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Bitcoin-QT database corrupted Bitcoin Technical Support
You bumped an old thread about issues that were fixed years ago, please don't do…
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n/a | gmaxwell | March 21, 2015, 08:12:00 AM |
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Historical question: When did Bitcoin client software implement privacy features Development & Technical Discussion
The way the wallet selects coins to spend completely disregards which previous t…
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n/a | gmaxwell | March 20, 2015, 10:33:39 PM |
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Are disabled OpCodes considered invalid or are they treated as NOP? Development & Technical Discussion
XOR could allocate memory?Yes, the inputs first had to be coerced to the same si…
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n/a | gmaxwell | March 20, 2015, 03:27:16 PM |
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Coinjoin improvement..? Development & Technical Discussion
Normally the mixer would know who was who and you would only have anonymity towa…
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n/a | gmaxwell | March 20, 2015, 02:41:04 PM |
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Are disabled OpCodes considered invalid or are they treated as NOP? Development & Technical Discussion
It does seem strange to disable XOR - was there any reasoning stated for that?It…
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n/a | gmaxwell | March 20, 2015, 02:34:47 PM |
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DNS Seeds Bitcoin Technical Support |
n/a | gmaxwell | March 18, 2015, 08:42:19 PM |
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Historical question: When did Bitcoin client software implement privacy features Development & Technical Discussion
Bitcoin has implemented the single use addresses since the very first version. A…
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n/a | gmaxwell | March 18, 2015, 01:05:29 PM |
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Low latency block distribution without validation Development & Technical Discussion
An unvalidated getblock was implemented by Luke-JR previously. It didn't meaning…
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n/a | gmaxwell | March 18, 2015, 06:59:15 AM |
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Vanitygen: Vanity bitcoin address generator/miner [v0.22] Development & Technical Discussion
It's a mostly-random process, so that can happen. In addition there's collision…
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n/a | gmaxwell | March 18, 2015, 06:34:17 AM |
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Statistics and visualizations of unspent outputs (UTXO) Development & Technical Discussion
Change over time is interesting, e.g. http://bitcoin.sipa.be/pruning-tx.pnghttp:…
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n/a | gmaxwell | March 18, 2015, 03:19:27 AM |
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Thinking about ways to make it more difficult to link IP address to txn creator. Development & Technical Discussion
and broadcast it widely, to reduce double spend probability.There is no form of…
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n/a | gmaxwell | March 16, 2015, 11:35:44 AM |
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How does the protocol broadcast hidden services? Development & Technical Discussion
When the core client runs through Tor and looks for seed nodes. Is DNS still use…
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n/a | gmaxwell | March 15, 2015, 11:01:28 PM |
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Strict DER signatures Development & Technical Discussion
This specific question was previously discussed on bitcoin-development in the th…
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n/a | gmaxwell | March 16, 2015, 11:31:53 AM |
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Row Hammer Development & Technical Discussion
One thing I really liked was intECC DRAM chips: DRAM which is pin-compatible wit…
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n/a | gmaxwell | March 15, 2015, 10:55:15 PM |
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How does the protocol broadcast hidden services? Development & Technical Discussion
If you don't do this, then Bitcoin will still work through Tor, and you might au…
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n/a | gmaxwell | March 15, 2015, 04:19:52 PM |
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Is someone monitoring large parts of the network? (evidence+firwall rules) Development & Technical Discussion
is there some reason the base client isn't using epoll?Not portable by itself, a…
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n/a | gmaxwell | March 13, 2015, 10:34:50 PM |
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Is someone monitoring large parts of the network? (evidence+firwall rules) Development & Technical Discussion
You seem to be rather insecure about my remarks about Tor, Bitcoin and so forth.…
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n/a | gmaxwell | March 13, 2015, 06:54:46 PM |
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Is someone monitoring large parts of the network? (evidence+firwall rules) Development & Technical Discussion
"Warning: Use of Tor and Bitcoin together may result in additional attack vector…
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n/a | gmaxwell | March 13, 2015, 05:08:28 PM |
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Is someone monitoring large parts of the network? (evidence+firwall rules) Development & Technical Discussion
On the TOR point specifically, numerous studies have been done that have reveale…
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n/a | gmaxwell | March 13, 2015, 04:25:14 PM |
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Possible security issue in wallet.dat encryption Development & Technical Discussion
This is the reason that setting the passphrase forces a shutdown. Bitcoin core c…
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n/a | gmaxwell | March 13, 2015, 03:54:21 PM |
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Is someone monitoring large parts of the network? (evidence+firwall rules) Development & Technical Discussion
well I have a maximum of 3100 file descriptors on my system.Select has a maximum…
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n/a | gmaxwell | March 07, 2015, 05:59:52 AM |
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Is someone monitoring large parts of the network? (evidence+firwall rules) Development & Technical Discussion
What I noticed is, that the seed nodes (from time to time) return dozens of bitc…
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n/a | gmaxwell | March 06, 2015, 07:41:55 PM |
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How to automatically create a bootstrap.dat file on a node Development & Technical Discussion
This will not (reliably) create a valid bootstrap.dat.A valid bootstrap.dat cont…
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n/a | gmaxwell | March 12, 2015, 02:27:08 PM |
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Changing the block reward reduction to happen per block rather than one day Development & Technical Discussion
And most people were mining for the fun of it at home.This isn't at all an accur…
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n/a | gmaxwell | March 12, 2015, 03:23:03 AM |
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