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SELinux policy for Bitcoin [ALPHA] Development & Technical Discussion
TODO: Separate permissions for bitcoin and bitcoind (bitcoind really doesn't nee…
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n/a | gmaxwell | July 04, 2011, 12:37:48 PM |
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Using time as a constraint to reduce the merchant wait for confirmations Development & Technical Discussion
Just wait for 6, 7, 10, confirmations doesn't seems to make sense (mathematicall…
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n/a | gmaxwell | July 01, 2011, 09:43:55 AM |
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IRC server - alternative port option Development & Technical Discussion
I submittted a pull, maybe a waste if they are switching to DNS seeding.However,…
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n/a | gmaxwell | June 30, 2011, 08:46:46 PM |
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P2P block download - use bit torrent like method Development & Technical Discussion
Also, the main proposal was to improve download speed and reduce strain on the s…
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n/a | gmaxwell | June 30, 2011, 09:03:09 AM |
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IRC server - alternative port option Development & Technical Discussion
Don't bother with the IRC bootstrapping. Add -dnsseed to your startup arguments…
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n/a | gmaxwell | June 30, 2011, 08:55:55 AM |
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IRC server - alternative port option Development & Technical Discussion
The standard client connects to irc.lfnet.org for discovery. Some ISPs disable…
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n/a | gmaxwell | June 30, 2011, 01:09:29 AM |
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Patching The Bitcoin Client To Make It More Anonymous Bitcoin Discussion
http://www.youtube.com/watch?v=TA_O6Boi7XoThe second version of my Bitcoin clien…
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n/a | gmaxwell | June 28, 2011, 12:40:13 AM |
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Present Value of a your miner income as a Geometric Series Mining
That's true, but you are actually making my point for me. It would be smart to…
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n/a | gmaxwell | June 28, 2011, 12:19:26 AM |
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[ANN] Bitcoin "No Forced TX Fee" mainline client fork Development & Technical Discussion
I would have your client be better and more simple if you are really gonna mess…
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n/a | gmaxwell | June 27, 2011, 09:32:41 AM |
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[ANN] Bitcoin "No Forced TX Fee" mainline client fork Development & Technical Discussion
If only it was that easy! It also would be a lot easier if fees were a fixed amo…
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n/a | gmaxwell | June 26, 2011, 09:37:17 PM |
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DiabloMiner GPU Miner (Long Poll, BFI_INT, and never fail async networking) CPU/GPU Bitcoin mining hardware
Slush pool says to avoid new Diablominer. Luckily i had a backup of old diablomi…
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n/a | gmaxwell | June 26, 2011, 07:37:25 PM |
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[ANN] Bitcoin "No Forced TX Fee" mainline client fork Development & Technical Discussion
They could also flood you with HTTP requests sent by a million node botnet. Wha…
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n/a | gmaxwell | June 26, 2011, 07:26:21 PM |
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[ANN] Bitcoin "No Forced TX Fee" mainline client fork Development & Technical Discussion
What is the minimum deposit size cutoff to be invulnerable to this type of attac…
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n/a | gmaxwell | June 26, 2011, 06:49:43 PM |
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[ANN] Bitcoin "No Forced TX Fee" mainline client fork Development & Technical Discussion
So, developers, what's the solution if...1. You run an exchange where your clien…
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n/a | gmaxwell | June 26, 2011, 05:11:27 PM |
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[ANN] Bitcoin "No Forced TX Fee" mainline client fork Development & Technical Discussion
Until one or both of those are done it is EXTREMELY DANGEROUS to remove the fee…
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n/a | gmaxwell | June 26, 2011, 05:05:08 PM |
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DiabloMiner GPU Miner (Long Poll, BFI_INT, and never fail async networking) CPU/GPU Bitcoin mining hardware
Don't use -f 0. I need to add an error message for that, as far as I can tell, i…
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n/a | gmaxwell | June 26, 2011, 04:16:16 PM |
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DiabloMiner GPU Miner (Long Poll, BFI_INT, and never fail async networking) CPU/GPU Bitcoin mining hardware
I even started a thread on this subject weeks ago and just got a lot of BS repli…
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n/a | gmaxwell | June 26, 2011, 04:05:53 PM |
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Cooperative mining (1.8Thash/s) Pools
It goes little complicated if you think about cheating users.Does it? The fact…
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n/a | gmaxwell | June 26, 2011, 03:57:52 PM |
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[ANN] Bitcoin "No Forced TX Fee" mainline client fork Development & Technical Discussion
Sure i agree it may be little risky, but what you are doing is complaining isnte…
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n/a | gmaxwell | June 26, 2011, 01:15:23 PM |
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Cooperative mining (1.8Thash/s) Pools
For users of Diablo Miner:If you're using latest DiabloMiner version and see eno…
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n/a | gmaxwell | June 26, 2011, 12:38:19 PM |
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X-Roll-Ntime extension Development & Technical Discussion
QuoteThis can allow miners to know precisely when to give up on it and get new w…
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n/a | gmaxwell | June 26, 2011, 02:29:46 AM |
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[ANN] Bitcoin "No Forced TX Fee" mainline client fork Development & Technical Discussion
Okay, here we go.So as I promised, I created the "NFTF" (short of No Forced TX F…
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n/a | gmaxwell | June 25, 2011, 10:17:33 PM |
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X-Roll-Ntime extension Development & Technical Discussion
As far as I know, the actual value of the X-Roll-Ntime header is presently undef…
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n/a | gmaxwell | June 25, 2011, 10:20:12 PM |
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[PULL] Sign and verify message with bitcoin address and public key Development & Technical Discussion
Even if the hash function were completely broken as above, there is no method cu…
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n/a | gmaxwell | June 25, 2011, 06:06:45 PM |
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DiabloMiner GPU Miner (Long Poll, BFI_INT, and never fail async networking) CPU/GPU Bitcoin mining hardware
Uodate: Behold, the frankenkernel. A mix of DiabloKernel and phatk.Before this,…
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n/a | gmaxwell | June 25, 2011, 05:06:30 PM |
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Anti solo mining myths debunked Mining
Pooled mining takes mostly care of this on the bigger pools, at every difficulty…
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n/a | gmaxwell | June 25, 2011, 01:41:09 PM |
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New scalable pipelined FPGA core for SHA-256 - any interest? Mining
There is freely available code for this (In VHDL), you might save some time and…
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n/a | gmaxwell | June 25, 2011, 09:50:37 AM |
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[Full Disclosure] More likely MtGox Post-Mortem Bitcoin Discussion
Fork, they were using floats for some calculations:Not news: http://forum.bitcoi…
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n/a | gmaxwell | June 24, 2011, 10:45:58 PM |
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p2pool - Decentralized, Absolutely DoS-Proof, Pool Hopping-Proof Pool [archival] Pools
I like this idea for how to solve the problem of making it completely decentrali…
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n/a | gmaxwell | June 24, 2011, 03:51:31 PM |
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Merkle tree of open transactions for lite mode? Development & Technical Discussion
Yes, me too; which is one of the reasons that I am trying to write a client that…
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n/a | gmaxwell | June 24, 2011, 03:37:51 PM |
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Planning you withdraw your BTC in mtgox? Make a new wallet first. Bitcoin Discussion
I'm quite concerned that during the last week while mtgox has been down people h…
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n/a | gmaxwell | June 24, 2011, 02:20:02 PM |
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Merkle tree of open transactions for lite mode? Development & Technical Discussion
The memory pools of each node are not synchronized, so you can't require the coi…
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n/a | gmaxwell | June 24, 2011, 12:16:39 PM |
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p2pool - Decentralized, Absolutely DoS-Proof, Pool Hopping-Proof Pool [archival] Pools
If a block is found in the first 599 shares, the extra is paid to me. On average…
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n/a | gmaxwell | June 24, 2011, 11:34:27 AM |
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Merkle tree of open transactions for lite mode? Development & Technical Discussion
As I understand it, in lite mode you can validate that a transaction is in a pa…
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n/a | gmaxwell | June 24, 2011, 11:20:16 AM |
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minerd - CPU and GPU mining software Mining software (miners)
Per-GPU optimisations and bugfixes.It's still segfaulting for me deep in the ati…
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n/a | gmaxwell | June 24, 2011, 02:13:44 AM |
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Anti solo mining myths debunked Mining
bcpokey: In other words, reduced variance is the only advantage of pooled mining…
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n/a | gmaxwell | June 24, 2011, 12:00:10 AM |
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Deterministic wallets Development & Technical Discussion
Just a small question. Wouldn't this make it easier for an unauthorized individu…
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n/a | gmaxwell | June 23, 2011, 11:18:42 AM |
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minerd - CPU and GPU mining software Mining software (miners)
diff --git a/ocl.c b/ocl.cindex 4173026..a8240eb 100644--- a/ocl.c+++ b/ocl.c@@…
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n/a | gmaxwell | June 23, 2011, 09:57:10 AM |
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minerd - CPU and GPU mining software Mining software (miners)
Testing on a silly nvidia machine:Selected 0: GeForce GTX 275[2011-06-23 06:00:5…
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n/a | gmaxwell | June 23, 2011, 05:07:18 AM |
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Potential proof that Mt. Gox still has all our bitcoins. Bitcoin Discussion
Since those two hundred or so people who witnessed the events all went "zomg wow…
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n/a | gmaxwell | June 23, 2011, 04:25:19 AM |
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Wikileaks fixed spend time retractability suggestion Development & Technical Discussion
I actually think that is quite a good suggestion. It's important to realise that…
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n/a | gmaxwell | June 23, 2011, 03:40:30 AM |
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Bitcoin Tech Talk Development & Technical Discussion
Thanks, I'll take a look at it.Looking at your slides again I see you say no bac…
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n/a | gmaxwell | June 23, 2011, 02:55:31 AM |
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minerd - CPU and GPU mining software Mining software (miners)
If you grab the latest version, you'll see it reports the preferred vector width…
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n/a | gmaxwell | June 23, 2011, 02:34:29 AM |
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Stuck USB stick with 500 BTC...is it gone? Off-topic
I'm so screwed. The customer thinks I'm lying to him and the guy who I'm deliver…
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n/a | gmaxwell | June 23, 2011, 12:53:35 AM |
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Does Namecoin solve the backing problem? Development & Technical Discussion
There are regular threads here about how bitcoin isn't backed by anything, gener…
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n/a | gmaxwell | June 22, 2011, 09:02:32 PM |
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A proposed solution to adjust for lost Bitcoins: wallet 'heartbeats' Development & Technical Discussion
Clearly, you are stating then that a design decision was made to allow for the l…
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n/a | gmaxwell | June 22, 2011, 08:40:34 PM |
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Bitcoin Tech Talk Development & Technical Discussion
Interesting, I assumed orphan forks are removed when main chain matures.Could be…
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n/a | gmaxwell | June 22, 2011, 05:11:33 PM |
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Bitcoin Tech Talk Development & Technical Discussion
"Apart from securing Bitcoin, the energy is wasted"Is there another way to phras…
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n/a | gmaxwell | June 22, 2011, 01:28:38 PM |
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Wikileaks fixed spend time retractability suggestion Development & Technical Discussion
Wikileaks recently tweeted a reply (http://www.twitlonger.com/show/b8qli4) to a…
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n/a | gmaxwell | June 22, 2011, 04:56:30 PM |
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A proposed solution to adjust for lost Bitcoins: wallet 'heartbeats' Development & Technical Discussion
Once 21m coins are reached, the amount of "lost" or forgotten bitcoins will star…
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n/a | gmaxwell | June 21, 2011, 07:07:31 PM |
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Longest Parallel Chain Attack Idea Development & Technical Discussion
It has many advantages, and only one gotcha, that being that a legitimate networ…
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n/a | gmaxwell | June 21, 2011, 02:05:39 PM |
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Public Safety Announcement: On the subject of password security Bitcoin Discussion
It's not 25 rounds. It's 25 * login length + 25 * password length + 1 iterations…
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n/a | gmaxwell | June 21, 2011, 10:04:24 AM |
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Public Safety Announcement: On the subject of password security Bitcoin Discussion
User's login is also the random salt in this case. As an added security, we add…
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n/a | gmaxwell | June 21, 2011, 08:12:06 AM |
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Pay miners to rewrite block(s)? Development & Technical Discussion
In order to encourage miners to work on the new block chain, the miner that got…
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n/a | gmaxwell | June 21, 2011, 12:33:31 AM |
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Is the current level of computational power necessary to secure the network? Development & Technical Discussion
From my understanding, the supply of mining computational power has a lot to do…
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n/a | gmaxwell | June 20, 2011, 11:59:38 PM |
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[Full Disclosure] More likely MtGox Post-Mortem Bitcoin Discussion
Not mentioned here is that fact that dozens of MTGOX hashed passwords were quiet…
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n/a | gmaxwell | June 20, 2011, 11:44:33 PM |
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Tor Support via Onion cat (onion in IPv6) Development & Technical Discussion
Today the bitcoin client can work over Tor, but it can't connect to nodes which…
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n/a | gmaxwell | June 20, 2011, 11:24:00 PM |
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Bitcoin: Now with fractional reserve? Bitcoin Discussion
For the others - Independent auditing is required. A portion of fees collected s…
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n/a | gmaxwell | June 20, 2011, 09:24:41 PM |
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Bitcoin: Now with fractional reserve? Bitcoin Discussion
Might have been like this for a long time, who knows?That's why I like to keep m…
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n/a | gmaxwell | June 20, 2011, 06:13:43 PM |
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Bitcoin: Now with fractional reserve? Bitcoin Discussion
Since we know that more was removed from Mtgox than they were previously claimin…
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n/a | gmaxwell | June 20, 2011, 06:05:04 PM |
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[PULL] Wallet Private Key Encryption Development & Technical Discussion
I appreciate your comments, but you've added nothing new to the discussion, I re…
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n/a | gmaxwell | June 20, 2011, 09:58:25 AM |
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[PULL] Wallet Private Key Encryption Development & Technical Discussion
RE: making it harder to brute-force:I have a couple of thoughts. First, if user…
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n/a | gmaxwell | June 20, 2011, 09:53:17 AM |
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[PULL] Wallet Private Key Encryption Development & Technical Discussion
In light of the extreme crappyness of the mtgox passwords I think the hardening…
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n/a | gmaxwell | June 19, 2011, 05:14:17 PM |
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Deterministic wallets Development & Technical Discussion
The purpose is clear and definitely appealing.Type-2 might indeed be a good impl…
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n/a | gmaxwell | June 19, 2011, 01:03:49 AM |
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Deterministic wallets Development & Technical Discussion
I've discussed this enough on IRC that I thought I ought to put it someplace mor…
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n/a | gmaxwell | June 18, 2011, 04:27:29 PM |
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I just got hacked - any help is welcome! (25,000 BTC stolen) Bitcoin Discussion
allinvillain you have not responded to my question.what kind of mega-farm did u…
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n/a | gmaxwell | June 18, 2011, 06:23:12 AM |
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(maybe?)DO NOT USE BITPARKING NMC EXCHANGE! Bitcoin Discussion
My sell order was shown as having 81NMC in the sell order list.The order book is…
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n/a | gmaxwell | June 17, 2011, 06:21:09 PM |
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(maybe?)DO NOT USE BITPARKING NMC EXCHANGE! Bitcoin Discussion
06/18/11 10:52:31 buy 0.06500000 81.42000000 5.29230000Someone bought st…
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n/a | gmaxwell | June 17, 2011, 06:11:05 PM |
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Bitcoin windows Client crashes when irc is blocked Development & Technical Discussion
Hey,the Win Client should be able to give an error indicating he has no irc comm…
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n/a | gmaxwell | June 17, 2011, 03:44:01 PM |
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Questions behind mining Development & Technical Discussion
As far as I see, the basic idea of mining, is that we get piece of data, where w…
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n/a | gmaxwell | June 17, 2011, 03:33:51 PM |
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Fake time atack on Bitcoin difficulty adjustment system - possible or not? Development & Technical Discussion
But what if nobody find a block on 2 hours? Network goes to s**t?No. You should…
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n/a | gmaxwell | June 17, 2011, 03:02:52 PM |
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Proposal for eventual hash replacement Development & Technical Discussion
I know, it is much more critical the scenario where elliptic curve (EC) fails, b…
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n/a | gmaxwell | June 17, 2011, 01:10:42 PM |
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Wallet Encryption - Keyfiles are needed! Development & Technical Discussion
The keyfile is mostly a file to help make your password more secure. A lot of pe…
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n/a | gmaxwell | June 17, 2011, 09:32:15 AM |
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SHA vs BCRYPT Offline brute forcing? Is there a HUGE difference, and sources? Development & Technical Discussion
So I hear a lot of talk about how Bcrypt is so much better in terms of it making…
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n/a | gmaxwell | June 17, 2011, 09:26:26 AM |
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Fake time atack on Bitcoin difficulty adjustment system - possible or not? Development & Technical Discussion
But the goal isn't to manipulate the transactions, the goal is to manipulate the…
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n/a | gmaxwell | June 17, 2011, 09:22:37 AM |
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Barely Clocked: Barebone Command Line Clock Speed/Voltage Tweaking CPU/GPU Bitcoin mining hardware
Warning: I do not take any responsibilities for any and all damages caused by ru…
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n/a | gmaxwell | June 15, 2011, 11:03:22 AM |
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Everybody, launch your Bitcoin client! (node) Mining
We need nodes so payments can get processed!Mining isn't everything. The more pe…
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n/a | gmaxwell | June 13, 2011, 07:02:09 PM |
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Make UPNP enabled by default? Development & Technical Discussion
Votes aren't a good way to decide these issues. I suggest Matt just submit a pul…
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n/a | gmaxwell | June 12, 2011, 02:54:52 PM |
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Block confirmed after only 104 blocks later, not 120. Development & Technical Discussion
100 blocks to mature eh? Everywhere I've read says it's 120. Has it always been…
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n/a | gmaxwell | June 11, 2011, 06:30:18 PM |
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Vanity bitcoin addresses: a new way to keep your CPU busy Development & Technical Discussion
At the moment addresses are used as fairly ephemeral things and the recommendati…
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n/a | gmaxwell | June 10, 2011, 09:57:08 AM |
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SCAM ALERT! Anyone else got this shit? Mining
Anyone else got this shit?No, but I looked inside the binaries provided and two…
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n/a | gmaxwell | June 10, 2011, 08:39:43 AM |
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[RFC] Separating leaf nodes and supernodes Development & Technical Discussion
We may easily add other conditions to being a supernode, besides uptime and work…
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n/a | gmaxwell | June 06, 2011, 03:25:12 PM |
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Mtgox using single precision float for bitcoin? Bitcoin Discussion
I put in a sell order for 1 BTC on MTGOX at 1e120, just to see what the limit wa…
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n/a | gmaxwell | June 03, 2011, 01:25:56 AM |
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Transaction fee of 0.01 BTC when sending 0.01 BTC? Bitcoin Discussion
Thanks!But I'm not sure I get this... I've read about transaction fees on the wi…
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n/a | gmaxwell | June 02, 2011, 08:42:44 AM |
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Non-listening nodes causing huge startup time delays Development & Technical Discussion
see also:http://forum.bitcoin.org/index.php?topic=11126.msg158368#msg158368andht…
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n/a | gmaxwell | June 01, 2011, 10:58:31 PM |
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Please test: Bitcoin v0.3.22 release candidate Bitcoin Discussion
The network is experiencing growing pains, sure, but cries of "Bitcoin doesn't w…
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n/a | gmaxwell | June 01, 2011, 04:11:15 PM |
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Please test: Bitcoin v0.3.22 release candidate Bitcoin Discussion
I think 0.3.22 should be delayed because the software basically does not work co…
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n/a | gmaxwell | June 01, 2011, 02:38:25 PM |
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Bitcoin (software) doesn't work for new users Development & Technical Discussion
The behavior a typical firewalled new users sees is that they start the software…
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n/a | gmaxwell | June 01, 2011, 02:35:17 PM |
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Pool shutdown attack Development & Technical Discussion
I like how you move the goalposts. But really, you've already agreed with me.I…
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n/a | gmaxwell | May 31, 2011, 03:58:09 PM |
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Pool shutdown attack Development & Technical Discussion
The only thing that you can tell from a single sample is how unlikely it would b…
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n/a | gmaxwell | May 31, 2011, 03:34:54 PM |
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Pool shutdown attack Development & Technical Discussion
Better example. You have a billion sided die, and you throw it and it comes up…
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n/a | gmaxwell | May 31, 2011, 12:55:26 PM |
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Pool shutdown attack Development & Technical Discussion
No, they are not measurements. There is no way to measure how much work went in…
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n/a | gmaxwell | May 31, 2011, 09:27:05 AM |
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Pool shutdown attack Development & Technical Discussion
No one has any idea where the error bars on the hash rate graphs should be. On…
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n/a | gmaxwell | May 31, 2011, 08:28:08 AM |
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The pools are getting far too powerful. Development & Technical Discussion
"Pool's fee is lowered to 0%-Proportional, 7%-PPS for a few days due to the outa…
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n/a | gmaxwell | May 31, 2011, 08:10:32 AM |
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Is the ECDSA public key hashed as a extra level of protection? Development & Technical Discussion
RSA-512 is horribly week, many people (including myself) have cracked it on thei…
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n/a | gmaxwell | May 30, 2011, 08:24:41 PM |
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Pool shutdown attack Development & Technical Discussion
The netwrok will self heal and route around the damage.. there are very strong i…
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n/a | gmaxwell | May 30, 2011, 05:54:42 PM |
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Is the ECDSA public key hashed as a extra level of protection? Development & Technical Discussion
suppose NSA can easily generate SHA256 collisions,There is a lot less reason to…
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n/a | gmaxwell | May 30, 2011, 05:52:17 PM |
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Is the ECDSA public key hashed as a extra level of protection? Development & Technical Discussion
If I understand correctly the bitcoin adresses are Base58(Version+RIPEMD160(SHA2…
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n/a | gmaxwell | May 30, 2011, 05:37:23 PM |
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proposal to reduce potential effects of majority miner attack Development & Technical Discussion
The idea is not to kick them off the network. It is to make it harder to win bl…
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n/a | gmaxwell | May 30, 2011, 06:17:27 AM |
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Vanity bitcoin addresses: a new way to keep your CPU busy Development & Technical Discussion
If there is a demand for it, I might be tempted to start a webservice like the f…
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n/a | gmaxwell | May 29, 2011, 01:19:28 PM |
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