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Content | Score | Started by | Date posted | ||
CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
If you put in anonymityNothing being discussed here is a "put in", this thread i…
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n/a | gmaxwell | September 03, 2013, 08:02:15 PM | ||
New Mystery about Satoshi Development & Technical Discussion
The original nonce update code:Code: if ((++tmp.block.nNonce & 0x3fff…
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n/a | gmaxwell | September 03, 2013, 04:56:04 PM | ||
New Mystery about Satoshi Development & Technical Discussion
The nonce uniquing to avoid collisions seems unlikely to me. The blocks are alre…
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n/a | gmaxwell | September 03, 2013, 02:45:25 PM | ||
New Mystery about Satoshi Development & Technical Discussion
The idea of looking at the nonce to determined endianness wouldn't have occurred…
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n/a | gmaxwell | September 03, 2013, 04:30:50 AM | ||
What would the effect be if ISPs are asked to block Bitcoin protocol traffic? Bitcoin Discussion
What about Namecoin? The .bit domain may be censorship resistant, would the ISPs…
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n/a | gmaxwell | September 02, 2013, 11:24:45 PM | ||
Zerocoin: Anonymous Distributed E-Cash from Bitcoin Development & Technical Discussion
or do you maybe trade Bitcoin testnet coins already? People have, and we've had…
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n/a | gmaxwell | September 02, 2013, 10:02:06 PM | ||
[REQ] Anti-keylogger features Development & Technical Discussion
Bitcoin specific malware is a point and click choice now in malware authoring to…
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n/a | gmaxwell | September 02, 2013, 09:55:35 PM | ||
Centralized timestamp service with bitcoin or other blockchain Development & Technical Discussion
It's much more efficient to use the merged mining root for this: see https://git…
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n/a | gmaxwell | September 01, 2013, 11:06:30 PM | ||
Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
Sorry for the confusion. This comment is referring to the timeout mechanism for…
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n/a | gmaxwell | September 01, 2013, 10:11:06 PM | ||
Warning: Large valid fork found Bitcoin Technical Support
Are you running debian's package or did you pull bitcoin from git?If it's debian…
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n/a | gmaxwell | September 01, 2013, 09:09:46 PM | ||
Warning: Large valid fork found Bitcoin Technical Support
The messages you're quoting existing only in bitcoin's git master, as you can se…
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n/a | gmaxwell | September 01, 2013, 05:46:23 PM | ||
Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
This will allow any previous owners to DoS the latest owner by forcing him to re…
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n/a | gmaxwell | September 01, 2013, 05:33:53 PM | ||
Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
"network isolation" is exactly the term I want to use. I just find a possible so…
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n/a | gmaxwell | September 01, 2013, 07:27:22 AM | ||
CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
b) the distinguishability of the coinjoin transaction is equal to its weakest li…
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n/a | gmaxwell | September 01, 2013, 07:21:10 AM | ||
What would the effect be if ISPs are asked to block Bitcoin protocol traffic? Bitcoin Discussion
Bitcoin makes _two_ fundamental security assumptions, one of them people talk ab…
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n/a | gmaxwell | September 01, 2013, 06:37:57 AM | ||
Bitcoin QT Asking For Passphrase to Receive BTC Bitcoin Technical Support
The logic for that is that you don't want a key added to your wallet without you…
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n/a | gmaxwell | September 01, 2013, 06:15:04 AM | ||
Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
Let me see if I can make it more clear for you:I proposed two examples to demons…
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n/a | gmaxwell | September 01, 2013, 01:51:33 AM | ||
Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
SPV requires a user to monitor the network, look for the longest PoW chain, and…
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n/a | gmaxwell | September 01, 2013, 03:25:46 AM | ||
getreceivedbyaddress JSON Bitcoin Technical Support
You can do this sort of thing with accounts, but its highly inadvisable: there…
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n/a | gmaxwell | September 01, 2013, 02:18:14 AM | ||
Instant clearing solution/double spend defense. Development & Technical Discussion
Search for "bitcoin fidelity bonds". I believe it is basically the idea you pro…
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n/a | gmaxwell | September 01, 2013, 02:14:14 AM | ||
CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
After further thought off-chain transactions with CoinWitness is insecure, i.e.…
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n/a | gmaxwell | August 31, 2013, 01:22:21 PM | ||
Miner break even price points. Do you think this will effect the market? Economics
Why would people who pre-ordered miners and waited months ever stop mining consi…
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n/a | gmaxwell | August 31, 2013, 03:29:03 AM | ||
Deterministic Usage of DSA and ECDSA Digital Signature Algorithms (RFC 6979) Development & Technical Discussion
Here are my thoughts: http://permalink.gmane.org/gmane.comp.bitcoin.devel/2734
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n/a | gmaxwell | August 30, 2013, 11:53:51 PM | ||
CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
Bitcoin is often promoted as a tool for privacy but the only privacy that exists…
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n/a | gmaxwell | August 21, 2013, 10:32:31 PM | ||
CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
Please keep posts on-topic. I'm going to start splitting non-coinjoin discussion…
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n/a | gmaxwell | August 30, 2013, 08:15:45 PM | ||
Miner break even price points. Do you think this will effect the market? Economics
Obviously it's not going to keep up forever. For the next half a year or so thou…
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n/a | gmaxwell | August 30, 2013, 07:36:11 PM | ||
Miner break even price points. Do you think this will effect the market? Economics
So how much does it cost to mine one Bitcoin? Assuming a 76% increase in difficu…
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n/a | gmaxwell | August 30, 2013, 07:27:24 PM | ||
CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
At one point in the conversation I brought up CoinJoin and what it makes possibl…
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n/a | gmaxwell | August 30, 2013, 07:03:01 PM | ||
CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
If there exists a secure proof (the group signature, plus the spend transactions…
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n/a | gmaxwell | August 30, 2013, 06:19:52 PM | ||
CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
Can anyone comment on whether my understanding is correct or not?No, thats incor…
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n/a | gmaxwell | August 30, 2013, 05:15:37 PM | ||
[BUG REPORT] transaction id Development & Technical Discussion
There is some description here: http://bitcoin.stackexchange.com/questions/11411…
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n/a | gmaxwell | August 30, 2013, 05:42:40 AM | ||
I just found a bug! Development & Technical Discussion
This isn't a bug, it's telling you which vout is paying you.
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n/a | gmaxwell | August 30, 2013, 05:34:47 AM | ||
[Semi-OT] Using tree-secrets to reduce bandwidth in cut-and-choose Development & Technical Discussion
[Just a random OT cryptographic though, which I thought I'd write down before I…
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n/a | gmaxwell | August 30, 2013, 04:32:46 AM | ||
Is Mastercoin bloating the blockchain and what we can do about it? Project Development
Creating an altcoin system which stores its data in blockchain is parasitic and…
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n/a | gmaxwell | August 30, 2013, 04:44:35 AM | ||
Proof of Knowledge without Trusting? Development & Technical Discussion
It's the fancypants math I'm worried about now, or the probability of my deck co…
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n/a | gmaxwell | August 30, 2013, 03:47:22 AM | ||
Proof of Knowledge without Trusting? Development & Technical Discussion
gmaxwell: Its a better idea to use the player's bitcoin adresses as randoms.No,…
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n/a | gmaxwell | August 30, 2013, 05:07:30 AM | ||
Auxiliary block: Increasing max block size with softfork Development & Technical Discussion
Unfortunately, this also means that 51% miners could violate the Satoshi philoso…
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n/a | gmaxwell | August 30, 2013, 03:07:15 AM | ||
Giveaway Thread for "MasterCoins" - the new protocol layer built on bitcoin Project Development
Please stop!You are creating enormous amounts of nonredeemable UTXO. This kind…
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n/a | gmaxwell | August 30, 2013, 02:49:38 AM | ||
Proof of Knowledge without Trusting? Development & Technical Discussion
@gmaxwell, it seems the link to your protocol has died. That game died a long ti…
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n/a | gmaxwell | August 30, 2013, 02:11:49 AM | ||
CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
A couple minutes ago Phantomcircuit directed me to this writeup, which I'd not s…
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n/a | gmaxwell | August 29, 2013, 09:50:03 PM | ||
Warning: The network does not appear to fully agree! Development & Technical Discussion
Also send him your debug.log (likewise, reveals your IP, and may also reveal tra…
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n/a | gmaxwell | August 30, 2013, 12:59:24 AM | ||
Auxiliary block: Increasing max block size with softfork Development & Technical Discussion
Once a transaction is in the aux block all of its children must forevermore be i…
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n/a | gmaxwell | August 29, 2013, 03:39:04 PM | ||
CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
I intended it as "make a proposal, do work, receive some baconreward". Obviously…
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n/a | gmaxwell | August 29, 2013, 03:47:32 PM | ||
Guesstimate thread for total ASIC pre-order hashing power. Hardware
Bcp19, you should be ashamed of yourself. I would remove your posts but D&T has…
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n/a | gmaxwell | August 29, 2013, 02:57:14 PM | ||
Do we want to continue to allow various vendor hate in here? Hardware
The forum is overrun with the hate of the day with various "hardware"(/vaporware…
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n/a | gmaxwell | August 25, 2013, 09:53:19 PM | ||
Nodes on port 80 or 443 Bitcoin Technical Support
If you are on a restricted network you should run Bitcoin over tor, and tor can…
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n/a | gmaxwell | August 29, 2013, 04:11:56 AM | ||
Anonymous Bitcoin Transactions with Coinjoin Development & Technical Discussion
How about the people partaking in the transaction, is it possible to watch as mo…
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n/a | gmaxwell | August 29, 2013, 04:10:48 AM | ||
Anonymous Bitcoin Transactions with Coinjoin Development & Technical Discussion
Is it possible to unravel the signed transaction to see where 1a wanted their mo…
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n/a | gmaxwell | August 29, 2013, 03:41:41 AM | ||
Anonymous Bitcoin Transactions with Coinjoin Development & Technical Discussion
Will coinjoin eventually offer the same anonymity benefits Zerocoin promised?See…
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n/a | gmaxwell | August 29, 2013, 01:49:12 AM | ||
[ANN] Hardware wallet project Hardware wallets
Great find! We'll look into it.See also the BIP32.5 thread on Bitcoin developmen…
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n/a | gmaxwell | August 28, 2013, 06:20:40 PM | ||
[ANN] Hardware wallet project Hardware wallets
The device will probably have the choice to combine entropy source from it's har…
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n/a | gmaxwell | August 28, 2013, 05:05:34 PM | ||
Old BFL buyers vs new asicminer prices Hardware
Oh woe woe is me: I bought batch 1 avalon and paid about 110 BTC for only 60GH/…
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n/a | gmaxwell | August 28, 2013, 04:50:08 PM | ||
SCIP POW Development & Technical Discussion |
n/a | gmaxwell | August 28, 2013, 02:00:57 PM | ||
Feathercoin Advanced Checkpointing released today Altcoin Discussion
Checkpointing was originally built in to Bitcoin in order to prevent dishonest p…
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n/a | gmaxwell | August 28, 2013, 08:21:28 AM | ||
CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
Uh. Does someone have a bug to report for a tool from this thread? (If you want…
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n/a | gmaxwell | August 28, 2013, 06:50:15 AM | ||
Proof of Knowledge without Trusting? Development & Technical Discussion
This has actually been discussed elsewhere, but my potential application is a ca…
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n/a | gmaxwell | August 28, 2013, 06:43:51 AM | ||
Proof of Knowledge without Trusting? Development & Technical Discussion
There is an entirely subfield of cryptography that deals with zero-knoweldge sig…
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n/a | gmaxwell | August 28, 2013, 12:17:24 AM | ||
Signing a message Development & Technical Discussion
AFAIK, Armory does not use the same compact signature format that other bitcoin…
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n/a | gmaxwell | August 27, 2013, 07:05:28 PM | ||
who is this unknown "20% of the network?? Mining speculation
"Unknown" is the good part of the network, the part that isn't centralized all t…
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n/a | gmaxwell | August 26, 2013, 11:05:14 PM | ||
BTC colored coin marketplace in the blockchain Development & Technical Discussion
These system are, in my view, largely misguided. Except for the ones that inten…
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n/a | gmaxwell | August 26, 2013, 10:47:49 PM | ||
Transaction cut-through Development & Technical Discussion
As an aside from the CoinJoin discussion, it occurred to me that another transac…
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n/a | gmaxwell | August 26, 2013, 06:17:19 PM | ||
CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
And by the way, I'm one of those who wants the system to be as solid as possible…
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n/a | gmaxwell | August 26, 2013, 05:54:04 PM | ||
CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
Note that attackers don't actually have to spend that input if they disrupt the…
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n/a | gmaxwell | August 26, 2013, 05:16:33 PM | ||
CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
Quoteusing the input coin itself as the identityI don't see how that would help…
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n/a | gmaxwell | August 26, 2013, 04:59:37 PM | ||
CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
If a pseudonym is reused often, then correlation could be used to link all input…
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n/a | gmaxwell | August 26, 2013, 04:37:27 PM | ||
CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
I don't see any reason to hand your private key over to the SMPC, the point of t…
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n/a | gmaxwell | August 26, 2013, 04:18:07 PM | ||
CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
Another potentially useful idea I had in this space is CoinJoin software for doi…
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n/a | gmaxwell | August 26, 2013, 03:39:23 PM | ||
CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
The bounty address is now up and already has 12.19262795 BTC assigned to it.
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n/a | gmaxwell | August 26, 2013, 03:34:44 PM | ||
Transactions with input & output count == 0?? Development & Technical Discussion
Somehow these end up in some reference client wallets, and then they rebroadcast…
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n/a | gmaxwell | August 26, 2013, 02:49:12 PM | ||
Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
Such an oracle could be .... secured by a bounty txout that you can redeem if an…
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n/a | gmaxwell | August 26, 2013, 10:16:55 AM | ||
What are checkpoints in bitcoin code? Development & Technical Discussion
Uhhhhhh. Or just run with the checkpoints=0 command-line/config option.Well he s…
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n/a | gmaxwell | August 26, 2013, 01:25:18 AM | ||
What are checkpoints in bitcoin code? Development & Technical Discussion
Haven't there been periods where the difficulty went down?Yup, I just mentally c…
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n/a | gmaxwell | August 26, 2013, 12:47:26 AM | ||
Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
will lock all BTC in limbo. Although we may use M-of-N oracles but the risk is…
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n/a | gmaxwell | August 25, 2013, 11:55:13 PM | ||
What are checkpoints in bitcoin code? Development & Technical Discussion
And then what if multiple chains are above this min pow?Then you pick among them…
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n/a | gmaxwell | August 25, 2013, 11:40:20 PM | ||
Decentralization idea: Encourage mining network distribution among pools Development & Technical Discussion
Quote1. Update mining software to automatically rebalance between pools, based o…
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n/a | gmaxwell | August 25, 2013, 07:41:21 PM | ||
Checkpoints Enlightment Development & Technical Discussion
I wish people would stop asking this question, it gets a lot of bad and incomple…
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n/a | gmaxwell | August 25, 2013, 06:52:08 PM | ||
Is BCP19 actually Josh from Butterfly labs? Off-topic
This doesn't belong in the mining subforum. It's just forum drama.
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n/a | gmaxwell | August 25, 2013, 06:21:36 PM | ||
Yossi Nagy Moti - Cryptovirology and Bitcoin Development & Technical Discussion
Knowledge is a funny thing, how do you know what you know, and such. Tough quest…
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n/a | gmaxwell | August 24, 2013, 07:55:29 PM | ||
CoinCovenants using SCIP signatures, an amusingly bad idea. Development & Technical Discussion
* "Pool's closed" covenant, can only be spent when specific detectable pools are…
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n/a | gmaxwell | August 24, 2013, 06:02:20 AM | ||
Bitcoin wallet QT any better for mac? Bitcoin Technical Support
Thanks for responding ThomasV, I agree with everything you've said, and I'm supe…
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n/a | gmaxwell | August 24, 2013, 03:42:22 AM | ||
[Announce] Project Quixote - BitShares, BitNames and 'BitMessage' Altcoin Discussion
Four months ago? That comment was left an hour ago and explicitly links to a UR…
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n/a | gmaxwell | August 24, 2013, 12:33:31 AM | ||
Is it safe to refund to (one of) output address(es)? Development & Technical Discussion
It is _never_ fine to assume this. You should get a refund address from the user…
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n/a | gmaxwell | August 24, 2013, 01:28:12 AM | ||
Real-time 51% Attack Vulnerability & Ranking Against Military Spending Bitcoin Discussion
Interesting approach. Though I note that if you replace Bitcoin with a counterfa…
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n/a | gmaxwell | August 23, 2013, 08:21:21 PM | ||
[Announce] Project Quixote - BitShares, BitNames and 'BitMessage' Altcoin Discussion
Four months ago? That comment was left an hour ago and explicitly links to a UR…
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n/a | gmaxwell | August 23, 2013, 06:46:14 PM | ||
[Announce] Project Quixote - BitShares, BitNames and 'BitMessage' Altcoin Discussion
What they wrote on Github just now might shed some light with their strategy for…
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n/a | gmaxwell | August 23, 2013, 06:29:36 PM | ||
Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
1) TinyRAM has a requirement that the memory is W bits wide and has exactly 2W c…
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n/a | gmaxwell | August 23, 2013, 02:14:57 PM | ||
Added ping time measurement to bitcoind, some questions Development & Technical Discussion
I think the system already sends a ping every 180 seconds, anyway?It does not, o…
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n/a | gmaxwell | August 23, 2013, 12:26:50 PM | ||
Bitcoin wallet QT any better for mac? Bitcoin Technical Support
How so, if you import your private keys, use a >30 character random letter, case…
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n/a | gmaxwell | August 23, 2013, 11:46:50 AM | ||
[7000GH/s] p2pool: Decentralized, DoS-resistant, Hop-Proof pool Pools
Mathematically, that would be the same as manually boosting the difficulty of th…
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n/a | gmaxwell | August 23, 2013, 04:09:47 AM | ||
Added ping time measurement to bitcoind, some questions Development & Technical Discussion
I added the ping/pong system for bitcoinj users. That's the code you're seeing s…
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n/a | gmaxwell | August 23, 2013, 04:00:36 AM | ||
CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
This seems overly complicated. Is there any reason why Bitcoin isn't private eno…
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n/a | gmaxwell | August 23, 2013, 02:41:58 AM | ||
CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
If the goal is a simple way to regain anonymity, why are there counter-proposals…
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n/a | gmaxwell | August 22, 2013, 11:19:15 PM | ||
CoinCovenants using SCIP signatures, an amusingly bad idea. Development & Technical Discussion
Hard to forbid or impossible to forbid? Instead of OP_CHECKSCIP, can there be a…
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n/a | gmaxwell | August 22, 2013, 04:18:10 PM | ||
Bitcoin wallet QT any better for mac? Bitcoin Technical Support
Electrum is categorically not "just as safe".There is a test build of Bitcoin-QT…
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n/a | gmaxwell | August 22, 2013, 04:27:14 AM | ||
I taint rich! (Raw txn fun and disrupting 'taint' analysis; >51kBTC linked!) Bitcoin Discussion
I've just made a detailed post about the privacy promoting uses of this techniqu…
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n/a | gmaxwell | August 22, 2013, 12:34:20 AM | ||
Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
It seems to me that this general framework that Gregory Maxwell describes here s…
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n/a | gmaxwell | August 19, 2013, 09:00:49 PM | ||
CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
This is an extremely interesting idea. Could you elaborate on how the Zerocoin…
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n/a | gmaxwell | August 21, 2013, 11:14:49 PM | ||
Directional & Time-locked Money Storage Development & Technical Discussion
So, when people have asked about this on IRC it was usually because they were co…
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n/a | gmaxwell | August 21, 2013, 09:08:27 PM | ||
Directional & Time-locked Money Storage Development & Technical Discussion
Yea, I've suggested exactly that protocol to people too. One problem is that m…
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n/a | gmaxwell | August 21, 2013, 04:10:50 PM | ||
Crypto question: Attaching metadata to a receive address. Development & Technical Discussion
Yeah the output `e` would be a scalar. But when it is multiplied with the issue…
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n/a | gmaxwell | August 21, 2013, 02:36:02 PM |