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Bitcoin days destroyed Economics
The large number of bitcoin days destroyed on 2013-12-21 can be seen mostly in b…
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n/a | twobitcoins | February 28, 2014, 06:57:30 PM |
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Question about withdrawing $ from bitstamp Service Discussion
I haven't seen any published withdrawal limits, but it seems their site limits i…
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n/a | twobitcoins | November 16, 2013, 11:39:43 AM |
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MtGox withdrawal delays [Gathering] Exchanges
sturle, thank you for your efforts to provide factual and level-headed informati…
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n/a | twobitcoins | September 30, 2013, 08:57:00 PM |
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Scammer trying to sell BFL Mining
The image URL is on ebayimg.com. I found the listing here:http://www.ebay.com/i…
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n/a | twobitcoins | August 26, 2013, 12:23:06 PM |
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Algorithmic optimizations for sale to ASIC vendors (15+% improvement) Hardware
SummaryI have developed algorithmic optimizations for Bitcoin mining which reduc…
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n/a | twobitcoins | August 24, 2013, 02:58:16 AM |
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BFL BitForce SC Firmware source code Hardware
By the way, the .atsuo file does not belong in the repository. It stores per-us…
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n/a | twobitcoins | August 04, 2013, 12:28:26 PM |
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BFL BitForce SC Firmware source code Hardware
Nasser informed me he plans to check this code into git this weekend.Excellent. …
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n/a | twobitcoins | August 02, 2013, 03:40:35 PM |
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BFL BitForce SC Firmware source code Hardware
Apparently BFL is now shipping devices with firmware version 1.2.6.Luke, do you…
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n/a | twobitcoins | August 02, 2013, 03:23:24 PM |
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BFGMiner 3.1.2: modular ASIC/FPGA, GBT, Strtm, RPC, Lnx/OpnWrt/PPA/W64, BFLSC Mining software (miners)
I have also have 100% CPU usage problem with 3.1.2.After doing some "git bisect"…
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n/a | twobitcoins | July 09, 2013, 10:21:17 PM |
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40 BTC+ Challenge for GPU Optimized Hashing Algorithm Project Development
Here is the description I was in the process of writing up while awaiting your r…
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n/a | twobitcoins | June 25, 2013, 05:07:09 PM |
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40 BTC+ Challenge for GPU Optimized Hashing Algorithm Project Development
Will you give me the bounty if I explain why your algorithm doesn't require anyw…
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n/a | twobitcoins | June 25, 2013, 04:43:55 PM |
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I'm buying your BFL Chip credits for USD Hardware
I just completed a sale to CanaryInTheMine. Everything went smoothly.When trans…
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n/a | twobitcoins | June 16, 2013, 06:07:20 PM |
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BFGMiner 3.1.0: modular ASIC/FPGA, GBT, Strtm, RPC, Lnx/OpnWrt/PPA/W64, BFLSC Mining software (miners)
Theoretical bug in libblkmaker:parse_txn populates txn->hash but is missing a ca…
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n/a | twobitcoins | June 15, 2013, 12:57:28 AM |
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BFGMiner 3.1.0: modular ASIC/FPGA, GBT, Strtm, RPC, Lnx/OpnWrt/PPA/W64, BFLSC Mining software (miners)
The tag for 3.1.0 is missing on github. Thanks!
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n/a | twobitcoins | June 13, 2013, 01:28:28 PM |
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error: txNew does name not a type (.1 BTC reward for solution) Development & Technical Discussion
I would not recommend skipping the lock. Locks prevent conflicts between multip…
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n/a | twobitcoins | June 10, 2013, 06:01:12 PM |
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error: txNew does name not a type (.1 BTC reward for solution) Development & Technical Discussion
Oh... the code was quite different back then. I think the way to proceed in gen…
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n/a | twobitcoins | June 10, 2013, 11:37:13 PM |
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error: txNew does name not a type (.1 BTC reward for solution) Development & Technical Discussion
Interesting behavior now... I can send the coins from the genesis block, but the…
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n/a | twobitcoins | June 10, 2013, 10:11:01 PM |
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error: txNew does name not a type (.1 BTC reward for solution) Development & Technical Discussion
You have to put that code inside a function. Executable statements can't be at…
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n/a | twobitcoins | June 10, 2013, 04:21:23 PM |
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Ripple Giveaway! Altcoin Discussion
rBXKmRXRkVsDte1FLBJEKBPStCW9jAnvWn
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n/a | twobitcoins | April 16, 2013, 01:43:18 AM |
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BFGMiner 3.0: modular ASIC/FPGA, GBT, Strtm, RPC, Lnx/OpnWrt/PPA/W64, BFLSC/Avln Mining software (miners)
Should there be a git tag for the 3.0.0 release? I don't see one.
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n/a | twobitcoins | April 06, 2013, 03:27:57 PM |
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Dedicated bitcoind node, 1gb ram ="errors" : "EXCEPTION: St9bad_alloc \nstd::bad Development & Technical Discussion
Memory usage is pretty stable for me when not downloading blocks, though it coul…
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n/a | twobitcoins | March 24, 2013, 02:21:45 PM |
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Blocking the creation of outputs that don't make economic sense to spend Development & Technical Discussion
Transactions with zero-value outputs are already considered non-standard. For p…
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n/a | twobitcoins | March 10, 2013, 11:00:54 AM |
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Fee policy proposal: charge for outputs, not inputs Development & Technical Discussion
I think the main premise supporting an output-based fee is the idea (which I bel…
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n/a | twobitcoins | March 09, 2013, 04:03:18 PM |
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Fee policy proposal: charge for outputs, not inputs Development & Technical Discussion
I should clarify that the point is not that inputs are free, but rather that inp…
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n/a | twobitcoins | March 09, 2013, 03:06:09 PM |
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Fee policy proposal: charge for outputs, not inputs Development & Technical Discussion
Summary:Fees are typically per KB of transaction size. The size of a transactio…
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n/a | twobitcoins | March 08, 2013, 05:34:55 PM |
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BFGMiner: modular ASIC/FPGA, GBT, Stratum, RPC, Avalon/Lnx/OpnWrt/PPA/W64 3.0pre Mining software (miners)
The code in findnonce.c leaks the contents of work structures. It seems that po…
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n/a | twobitcoins | March 07, 2013, 11:27:51 PM |
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Transaction signing confusion Development & Technical Discussion
The diagram presents a simplified picture where transactions include the public…
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n/a | twobitcoins | February 27, 2013, 03:54:26 PM |
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Bitcoin-Qt / bitcoind version 0.8.0 release candidate 1 Bitcoin Discussion
Am testing it now, completely fresh install on a netbook, Windows 8 64-bit, AMD…
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n/a | twobitcoins | February 17, 2013, 12:12:24 AM |
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BFGMiner: modular FPGA/GPU, clk/fans, GBT, RPC, Linux/OpenWrt/PPA/Win64 2.10.4 Mining software (miners)
In miner.c, is template_nonce supposed to be incremented at some point? It seem…
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n/a | twobitcoins | February 07, 2013, 09:37:01 PM |
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BFGMiner: modular FPGA/GPU & X6500, overclk/fans, GBT, RPC, Linux/PPA/Win 2.10.3 Mining software (miners)
To prepare for the arrival of BFL ASICs, I built bfgminer 2.10.3 and tested it f…
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n/a | twobitcoins | February 05, 2013, 04:30:28 AM |
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why sell avalon box when they could mine themselves...? Hardware
"Why would anyone develop and release a GPU miner for free? Anyone capable of w…
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n/a | twobitcoins | February 04, 2013, 04:21:14 PM |
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This is how easy it is to accept Bitcoin donations - my little showcase Bitcoin Discussion
Nice work.A couple of minor wording issues:Small print under the address section…
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n/a | twobitcoins | January 16, 2013, 03:42:23 PM |
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v0.1 Bitcoind Source Available? Development & Technical Discussion
Here is an earlier thread on this topic, which includes links to the original so…
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n/a | twobitcoins | September 28, 2012, 09:06:30 PM |
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Non-canonical signatures: looking for detectives Development & Technical Discussion
Transaction 5b74b9b294769be261a9caa1310bb648dd6dd530ac75cee9b7c6bfb6d160d07d sen…
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n/a | twobitcoins | September 07, 2012, 08:35:46 PM |
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Theoretical max speeds for ECDSA verification Development & Technical Discussion
... a new bitcoin address type ...Why would a new address type be needed? I tho…
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n/a | twobitcoins | August 25, 2012, 01:36:08 PM |
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[ANN] Mt.Gox Withdrawal Clarification Bitcoin Discussion
Why are wire transfers affected?
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n/a | twobitcoins | June 11, 2012, 10:30:50 PM |
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What happened to Bitcoins being anonymous? Bitcoin Discussion
You're right. We can see all the coins being sent from one address to another. …
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n/a | twobitcoins | June 11, 2012, 09:27:41 PM |
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Network Hashrate variations Mining speculation
Thats one some crazy variation with 40% increase, dont you think?Block generatio…
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n/a | twobitcoins | June 11, 2012, 05:01:25 PM |
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Network Hashrate variations Mining speculation
Or is the reported hashrate simply jumping around due to the luck and variance o…
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n/a | twobitcoins | June 11, 2012, 03:50:45 PM |
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Efficiency of 7970(youre gonna like this) CPU/GPU Bitcoin mining hardware
As a farm operator who is mining on dozens of 5970s and 6990, continuously, with…
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n/a | twobitcoins | June 10, 2012, 05:11:00 PM |
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Mtgox won't send funds to dwolla Trading Discussion
This is the third time I've withdrawn from mtgox to my dwolla account. The fund…
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n/a | twobitcoins | June 10, 2012, 04:50:06 PM |
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Efficiency of 7970(youre gonna like this) CPU/GPU Bitcoin mining hardware
As a farm operator who is mining on dozens of 5970s and 6990, continuously, with…
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n/a | twobitcoins | June 10, 2012, 03:49:15 PM |
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400 BTC sent to an unknow address. (COINS RETURNED) 40 BTC reward. Bitcoin Discussion
Got it. Thanks!
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n/a | twobitcoins | May 25, 2012, 01:00:03 AM |
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400 BTC sent to an unknow address. (COINS RETURNED) 40 BTC reward. Bitcoin Discussion
I'm glad to hear everything worked out!I think Maged made a good assessment of t…
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n/a | twobitcoins | May 25, 2012, 12:05:44 AM |
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400 BTC sent to an unknow address. Help please 40 BTC reward. Bitcoin Discussion
Yeah, they wanted to know what you sent it to. But if you can't remember or can'…
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n/a | twobitcoins | May 21, 2012, 11:20:20 AM |
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400 BTC sent to an unknow address. Help please 40 BTC reward. Bitcoin Discussion
Could be GLBSE. I think I was using it back then. Not 100% sure. I sure picked…
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n/a | twobitcoins | May 21, 2012, 12:38:12 AM |
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400 BTC sent to an unknow address. Help please 40 BTC reward. Bitcoin Discussion
How about GLBSE?I found a reference to a 0.005 BTC withdrawal fee in this post.A…
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n/a | twobitcoins | May 21, 2012, 12:22:48 AM |
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400 BTC sent to an unknow address. Help please 40 BTC reward. Bitcoin Discussion
I got this in an email..> You sent 1.96 to 1DMLq4UF1yWn9kTC8a6fvVcMzLizuShaz> …
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n/a | twobitcoins | May 20, 2012, 11:54:56 PM |
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400 BTC sent to an unknow address. Help please 40 BTC reward. Bitcoin Discussion
As casascius pointed out, the person (or wallet) you sent the money to tends to…
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n/a | twobitcoins | May 20, 2012, 03:20:30 PM |
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Sites accepting 0-confirmation txns Bitcoin Discussion
satoshidice.com ? It now requires a couple of confirmations.o reduce the double…
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n/a | twobitcoins | May 15, 2012, 12:42:10 PM |
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How to build bitcoin-qt.exe without the Qt DLL dependency? Development & Technical Discussion
They cross-compile under Linux using Gitian to create reproducible builds.To do…
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n/a | twobitcoins | May 10, 2012, 12:07:57 PM |
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Version 0.6.2 available Bitcoin Discussion
Is the crash bug that was fixed likely to be the cause of std::bad_alloc excepti…
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n/a | twobitcoins | May 08, 2012, 04:41:11 PM |
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SatoshiDICE.com - Verified rolls, up to 65,000x winning Gambling
Here is an easier double spend attack:5. Bet transaction that won't confirm: Int…
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n/a | twobitcoins | May 04, 2012, 09:14:26 PM |
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SatoshiDICE.com - Verified rolls, up to 65,000x winning Gambling
One more possible attack:4. Duplicate transactions: It is possible for the same…
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n/a | twobitcoins | May 04, 2012, 06:15:49 PM |
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SatoshiDICE.com - Verified rolls, up to 65,000x winning Gambling
So, has anyone executed a double spend attack on SatoshiDice yet? The site clai…
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n/a | twobitcoins | May 04, 2012, 03:55:57 PM |
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Gauging interest. Pay for prepaid wireless with Bitcoin. Bitcoin Discussion
I think this is a good fit for Bitcoin. It seems like a risky business that cou…
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n/a | twobitcoins | May 02, 2012, 02:21:43 PM |
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Period between 25 BTC to 12.5 BTC drop? Development & Technical Discussion
I don't think anyone has a definitive answer on why it was done.The only real be…
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n/a | twobitcoins | April 30, 2012, 02:40:32 PM |
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Question on blockheight behaviour Development & Technical Discussion
In theory, there may be a new best chain where the block height stays the same o…
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n/a | twobitcoins | April 29, 2012, 03:23:46 PM |
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Problem with invalid transactions Development & Technical Discussion
7dae7272a356d1340d02a81690951e7323823b9f534da1c8b120acb08b106f4c is in block 177…
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n/a | twobitcoins | April 27, 2012, 05:52:54 PM |
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Insecurities in Ragecoin betting site == Profit? Speculation
It seems to be fixed. Now the salt is 12 characters, or 71 bits of entropy.
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n/a | twobitcoins | April 21, 2012, 08:34:23 PM |
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Can someone explain these weird TXs ? Development & Technical Discussion
You have an off-by-one error somewhere. See block 174718 on Block Explorer.List…
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n/a | twobitcoins | April 14, 2012, 03:35:43 PM |
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Can someone explain these weird TXs ? Development & Technical Discussion
OP_HASH160 [20-byte-hash-value] OP_EQUAL is BIP 16, but the transactions you lin…
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n/a | twobitcoins | April 13, 2012, 10:51:06 PM |
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Decentralized programming language Development & Technical Discussion
One approach is to perform computations on encrypted data without knowing how to…
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n/a | twobitcoins | April 10, 2012, 12:59:44 AM |
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Bounty on orphaned block discarded - technical reason? Development & Technical Discussion
You asked for reasons against the idea, but what is needed is reasons for the id…
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n/a | twobitcoins | April 10, 2012, 12:38:32 AM |
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One proposal for hindering antisocial blocks Development & Technical Discussion
Miners have a financial incentive to make sure their blocks are accepted so they…
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n/a | twobitcoins | March 31, 2012, 01:02:25 PM |
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Miner advantage for empty blocks ? Development & Technical Discussion
kjj's explanation is good. Here are a few more details.camem seems concerned th…
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n/a | twobitcoins | March 30, 2012, 02:29:49 PM |
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Crash in QR code dialog Development & Technical Discussion
I just tried 0.6.0rc4 on Windows. I was playing around with the QR code dialog,…
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n/a | twobitcoins | March 23, 2012, 06:33:15 PM |
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v0.1 Development & Technical Discussion
v0.1 by twobitcoins
Earlier thread on this topic:how can I get a copy of the original source (0.1.0)…
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n/a | twobitcoins | March 10, 2012, 03:26:46 PM |
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Is there any interest in a hardware board which will allow remote power cycling CPU/GPU Bitcoin mining hardware
Reset switch is not sufficient to reset some dead cards. Only a power cycle wor…
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n/a | twobitcoins | March 03, 2012, 04:00:45 PM |
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Is there any interest in a hardware board which will allow remote power cycling CPU/GPU Bitcoin mining hardware
It sounds pretty much like what I already use. See Kit 108 on kitsrus.com. It…
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n/a | twobitcoins | March 02, 2012, 02:56:36 PM |
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Cleveland Plain Dealer Comic Bitcoin Discussion
Here's a link to the comic online:http://www.gocomics.com/reallifeadventures/201…
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n/a | twobitcoins | February 10, 2012, 05:07:56 PM |
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How to treat Bitcoin mining income for tax purposes? Legal
holding them for 20 years and then selling them, is a personal investment activi…
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n/a | twobitcoins | January 02, 2012, 07:44:32 PM |
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How to treat Bitcoin mining income for tax purposes? Legal
You are right -- these issues are far from clear.For my personal tax situation I…
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n/a | twobitcoins | January 02, 2012, 06:46:26 PM |
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How to treat Bitcoin mining income for tax purposes? Legal
Correct; the creation of bitcoins as a commodity is not subject to tax; only whe…
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n/a | twobitcoins | January 02, 2012, 05:15:56 PM |
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How to treat Bitcoin mining income for tax purposes? Legal
Commodities are not considered as income, and thus not taxable, regardless of ho…
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n/a | twobitcoins | January 02, 2012, 01:55:31 PM |
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How to treat Bitcoin mining income for tax purposes? Legal
There is still a question of whether bitcoins obtained via mining are created by…
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n/a | twobitcoins | January 02, 2012, 04:48:14 AM |
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Information on ATI 7xxx Series Dec. 5th! CPU/GPU Bitcoin mining hardware
I managed to extract the following from the 11.12 driver:Cypress: VLIW5Juniper:…
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n/a | twobitcoins | December 19, 2011, 08:50:08 PM |
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MtGox not processing BTC withdrawals Trading Discussion
Well, please check your ticket and you will see what happened ;-)Now let me expl…
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n/a | twobitcoins | December 14, 2011, 10:36:17 PM |
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MtGox not processing BTC withdrawals Trading Discussion
I've been waiting on a withdrawal for 17 hours now. After 3 hours I sent a supp…
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n/a | twobitcoins | December 14, 2011, 01:49:27 PM |
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Looking for Niche products to sell on CIB Trading Discussion
This question may be a result of some feedback I provided. I bought a Christmas…
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n/a | twobitcoins | December 14, 2011, 01:31:20 PM |
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I want to send money throug bitcoin, is there anyway to overcome the votality? Bitcoin Discussion
I see a lot of interest in using bitcoin as an intermediate currency just to tra…
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n/a | twobitcoins | December 05, 2011, 11:35:43 AM |
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It's a very orange Bitcoin Christmas! Bitcoin Discussion
I have a couple gifts that I'm planning to buy with bitcoins. I wish I could ge…
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n/a | twobitcoins | November 26, 2011, 05:45:49 PM |
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AMD Catalyst 11.11 Driver Mining software (miners)
That is the link you get by navigating from the AMD home page, but it doesn't wo…
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n/a | twobitcoins | November 15, 2011, 04:34:03 PM |
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Older client to newer client: `Invalid bitcoin address` Bitcoin Technical Support
"sendtoaddress" expects the address first, then the amount. "0.0001" is indeed…
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n/a | twobitcoins | October 02, 2011, 08:42:26 PM |
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What's stopping companies from accepting credit card's for BTC? Bitcoin Discussion
I thought the biggest problem was with stolen credit cards, not people performin…
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n/a | twobitcoins | September 02, 2011, 12:32:49 PM |
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remotely controlled power switch? CPU/GPU Bitcoin mining hardware
I use kit 108 from kitsrus.com, purchased assembled from electronics123.com (htt…
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n/a | twobitcoins | August 16, 2011, 10:02:11 PM |
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Message to Luke-Jr Bitcoin Discussion
He's doing it intentionally. From #bitcoin-dev on IRC a few days ago:Quote fwiw…
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n/a | twobitcoins | August 16, 2011, 12:30:27 PM |
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Bitcoin Conference 2011 NYC Bitcoin Discussion
For anyone booking at The Roosevelt Hotel, try discount code SWEET or FACEB2 for…
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n/a | twobitcoins | August 16, 2011, 12:14:50 AM |
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Errors when using self-made transactions Development & Technical Discussion
What is the final 01000000 at the end of the transaction? I would expect it to…
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n/a | twobitcoins | August 11, 2011, 11:09:36 PM |
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Choosing a lower block reward? Development & Technical Discussion
I'd be interested to see a pointer to the code in the client that checks the coi…
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n/a | twobitcoins | July 24, 2011, 08:09:48 PM |
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Images in signatures Meta
Anyone caught "cookie stuffing" using embedded images (in signatures and elsewhe…
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n/a | twobitcoins | July 07, 2011, 05:35:52 PM |
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Images in signatures Meta
Anyone caught "cookie stuffing" using embedded images (in signatures and elsewhe…
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n/a | twobitcoins | July 07, 2011, 05:01:18 PM |
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Someone tried to retrieve my mtgox password Bitcoin Discussion
I received such an email. I determined it was most likely from Mt. Gox because…
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n/a | twobitcoins | June 27, 2011, 03:48:05 PM |
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Bitcoin Lawyer Introduction Thread Project Development
Capital gains? That is what happens when a person or company buys bitcoins, hol…
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n/a | twobitcoins | June 11, 2011, 06:54:33 PM |
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Why dont use credit cards? Marketplace
Stolen credit cards, for one thing.http://forum.bitcoin.org/index.php?topic=1442…
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n/a | twobitcoins | June 10, 2011, 07:06:13 PM |
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MtGox supports Dwolla Marketplace
One of my withdrawals went through just now (and appears in my Dwolla balance). …
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n/a | twobitcoins | June 10, 2011, 10:37:34 AM |
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BitCoin Payment & No Taxes Trading Discussion
Okay, so just the fact that it's not legal tender does not solve the problem. I…
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n/a | twobitcoins | June 08, 2011, 01:51:58 AM |
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BitCoin Payment & No Taxes Trading Discussion
What jurisdiction are we talking about?In the US, barter is taxable. You haven'…
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n/a | twobitcoins | June 08, 2011, 01:41:14 AM |
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Renting mining contracts and taxes ? Trading Discussion
For accurate tax advice, you need to specify what country you are asking about. …
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n/a | twobitcoins | June 07, 2011, 03:44:35 PM |
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Capital gains and Bitcoin Economics
I haven't found this forum to be a good source of legitimate tax advice. You're…
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n/a | twobitcoins | June 07, 2011, 12:01:30 PM |
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