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TX replacement and nLockTime Development & Technical Discussion
Ugh you're right. My first explanation was correct. I confused myself the second…
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n/a | Mike Hearn | March 09, 2012, 02:33:58 PM |
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[ANNOUNCE] BitCoinJ 0.4 Wallet software
I'm pleased to announce the release of BitCoinJ 0.4, the leading Java implementa…
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n/a | Mike Hearn | March 09, 2012, 09:52:58 AM |
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Bitcoin & Tragedy of the Commons Bitcoin Discussion
I believe Bitcoin already has everything required to handle this situation by ha…
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n/a | Mike Hearn | March 09, 2012, 08:48:51 AM |
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TX replacement and nLockTime Development & Technical Discussion
Gah, sorry. I made a mistake in the above diagram and thus my explanation is bug…
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n/a | Mike Hearn | March 09, 2012, 05:47:01 AM |
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2 Bitcoin papers published at Financial Cryptography 2012 conference Development & Technical Discussion
Thanks for the links.I agree that the Bitcoin community has already invented vir…
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n/a | Mike Hearn | March 08, 2012, 11:03:08 AM |
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TX replacement and nLockTime Development & Technical Discussion
The design of sequence numbers is subtle (read: confusing), but the code is corr…
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n/a | Mike Hearn | March 08, 2012, 10:38:12 AM |
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Network-enforced performance-bonded dominant assurance contracts Development & Technical Discussion
Feel free to edit the page as you see fit. I'd move the examples onto the main C…
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n/a | Mike Hearn | March 08, 2012, 09:51:23 AM |
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Feasibility on putting block chain on Google App Engine Development & Technical Discussion
You can query the balance of an address that's in your wallet. You don't need th…
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n/a | Mike Hearn | March 08, 2012, 09:47:37 AM |
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Feasibility on putting block chain on Google App Engine Development & Technical Discussion
In that case I guess you could use BitCoinJ to connect to the network every 10 m…
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n/a | Mike Hearn | March 07, 2012, 08:30:23 AM |
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Network-enforced performance-bonded dominant assurance contracts Development & Technical Discussion
Kickstarter implements assurance contracts yes. They also add a lot of other val…
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n/a | Mike Hearn | March 07, 2012, 05:59:34 AM |
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Elliptic Curve Calculator UI (now part of Armory) Development & Technical Discussion
CHECKMULTISIG has the same effect as threshold ECDSA but it doesn't scale as wel…
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n/a | Mike Hearn | March 07, 2012, 04:55:51 AM |
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Network-enforced performance-bonded dominant assurance contracts Development & Technical Discussion
nLockTime is enabled and working, as far as I know.Alternative SIGHASH codes sho…
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n/a | Mike Hearn | March 07, 2012, 04:51:50 AM |
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Avoiding theft using trusted computing Development & Technical Discussion
If you look at the thread from slush, he says he used Linode because connectivit…
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n/a | Mike Hearn | March 07, 2012, 04:36:34 AM |
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Feasibility on putting block chain on Google App Engine Development & Technical Discussion
The problem with using Bitcoin on GAE is that, last time I checked, you are not…
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n/a | Mike Hearn | March 07, 2012, 04:32:57 AM |
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Avoiding theft using trusted computing Development & Technical Discussion
I'd caution against just buying a TPM. A full TC setup requires a TPM, but also…
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n/a | Mike Hearn | March 06, 2012, 12:29:48 PM |
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Avoiding theft using trusted computing Development & Technical Discussion
Good point. You can select arbitrary tradeoffs. Increment the counter every 10 b…
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n/a | Mike Hearn | March 06, 2012, 12:18:19 PM |
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Avoiding theft using trusted computing Development & Technical Discussion
The TPM provides counters that are guaranteed to only increase, and which can be…
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n/a | Mike Hearn | March 06, 2012, 08:41:14 AM |
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Avoiding theft using trusted computing Development & Technical Discussion
Agree that you could just use the block chain itself if you wanted to throttle p…
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n/a | Mike Hearn | March 06, 2012, 08:33:58 AM |
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Avoiding theft using trusted computing Development & Technical Discussion
In recent times the Bitcoin community has suffered from major service providers…
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n/a | Mike Hearn | March 05, 2012, 06:19:25 PM |
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Network-enforced performance-bonded dominant assurance contracts Development & Technical Discussion
I think an interesting direction to go with this is network assurance contracts,…
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n/a | Mike Hearn | March 05, 2012, 04:57:52 PM |
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Rapidly adjusted micropayments and multisig/P2SH Development & Technical Discussion
This should be doable with proper OPCODESEPARATOR.OP_CODESEPARATOR is a holdover…
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n/a | Mike Hearn | March 05, 2012, 03:11:46 PM |
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NFC initiated Bitcoin payments with Bitcoin Wallet for Android Wallet software
Sure, I've tried it with other people and it works fine.Yes, your understanding…
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n/a | Mike Hearn | March 05, 2012, 03:05:46 PM |
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Network-enforced performance-bonded dominant assurance contracts Development & Technical Discussion
Oh dear. I emailed Mark about it. Hopefully the wiki will be back soon.
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n/a | Mike Hearn | March 05, 2012, 03:03:14 PM |
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Rapidly adjusted micropayments and multisig/P2SH Development & Technical Discussion
QuoteThe full protocol, no replacements, no DOS:1. Write a transaction TXA spend…
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n/a | Mike Hearn | March 05, 2012, 02:51:22 PM |
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Rapidly adjusted micropayments and multisig/P2SH Development & Technical Discussion
Yes, or (not just ransom) due to bugs/incompetence simply goes away.I think it's…
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n/a | Mike Hearn | March 05, 2012, 08:35:17 AM |
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Rapidly adjusted micropayments and multisig/P2SH Development & Technical Discussion
Bear in mind a replacement must have the same inputs. It's allowed to have diffe…
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n/a | Mike Hearn | March 04, 2012, 03:39:27 PM |
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Rapidly adjusted micropayments and multisig/P2SH Development & Technical Discussion
We just pulled a DoS fix involving filling up memory with orphan transactions; o…
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n/a | Mike Hearn | March 04, 2012, 01:40:35 PM |
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Elliptic Curve Calculator UI (now part of Armory) Development & Technical Discussion
If you can implement a true elliptic curve threshold signature system, that woul…
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n/a | Mike Hearn | March 04, 2012, 01:34:05 PM |
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Is NFC a mechanism to track all transactions? Bitcoin Discussion
NFC is just an air protocol, you can already send Bitcoins via NFC (check out th…
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n/a | Mike Hearn | March 04, 2012, 01:20:08 PM |
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Rapidly adjusted micropayments and multisig/P2SH Development & Technical Discussion
The way TX replacement was disabled only impacts the memory pool, it doesn't cha…
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n/a | Mike Hearn | March 04, 2012, 12:19:55 PM |
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Network-enforced performance-bonded dominant assurance contracts Development & Technical Discussion
Looks pretty reasonable. I find it easier to follow explanations that don't invo…
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n/a | Mike Hearn | March 04, 2012, 11:59:42 AM |
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Rapidly adjusted micropayments and multisig/P2SH Development & Technical Discussion
Re-activating tx replacement isn't all that hard. It just takes somebody to writ…
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n/a | Mike Hearn | March 01, 2012, 12:29:50 PM |
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Anyone Getting Notices from Comcast due to Bitcoin Mining? Off-topic
Doubtful. You most likely have a virus on a system but aren't able to detect it.…
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n/a | Mike Hearn | February 12, 2012, 03:00:33 PM |
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GMR-1, GMR-2 comprimised. Does this mean anything for Bitcoin? Bitcoin Discussion
It means nothing. The cryptosystems are unrelated.
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n/a | Mike Hearn | February 08, 2012, 12:15:36 PM |
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Tor Idea. Bitcoin Discussion
QuoteIf you make a bunch of micropayments from one wallet, they're trivially ass…
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n/a | Mike Hearn | February 07, 2012, 12:46:07 PM |
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Bitcoin protocol - need explanation of couple of things. Development & Technical Discussion
The signature is over a hash of a simplified form of the transaction. See the Si…
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n/a | Mike Hearn | February 05, 2012, 11:47:15 AM |
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Bitcoin DRM behind price increase? Bitcoin Discussion
It's probably the same terms as all the previous games: copying the game disc or…
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n/a | Mike Hearn | February 05, 2012, 11:02:03 AM |
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Tor Idea. Bitcoin Discussion
The problem is anonymity. TOR provides much stronger anonymity than Bitcoin.I…
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n/a | Mike Hearn | February 05, 2012, 10:58:23 AM |
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Sustainable nanopayment idea: Probabilistic Payments Development & Technical Discussion
Heh, I also came up with some (less elegant) probabilistic solution before I kne…
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n/a | Mike Hearn | February 05, 2012, 10:52:31 AM |
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Tor Idea. Bitcoin Discussion
I think the user experience of requiring mining would be very poor. Consider the…
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n/a | Mike Hearn | February 04, 2012, 11:23:38 AM |
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Sustainable nanopayment idea: Probabilistic Payments Development & Technical Discussion
I'm not totally clear on how this is better than the simpler proposal already on…
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n/a | Mike Hearn | February 04, 2012, 10:21:34 AM |
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A generic protocol for cryptographic assets Development & Technical Discussion
BGP is essentially a fully-trust based flood fill algorithm, these days with som…
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n/a | Mike Hearn | January 25, 2012, 07:08:44 AM |
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WHY CHANGE(aka BIP hell)? Development & Technical Discussion
Everyone please calm down. You are all in violent agreement.There is really only…
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n/a | Mike Hearn | January 22, 2012, 06:24:03 PM |
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A generic protocol for cryptographic assets Development & Technical Discussion
This work is very interesting. I think there's definitely potential in combining…
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n/a | Mike Hearn | January 22, 2012, 06:12:33 PM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
Yeah, stability really matters. I hope the crash p2pool triggers gets fixed.Holl…
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n/a | Mike Hearn | January 21, 2012, 07:40:44 AM |
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WARNING Transactions and Addresses will soon be used as high volume data storage Development & Technical Discussion
I think the chances of people using Bitcoin transactions to replace Facebook or…
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n/a | Mike Hearn | January 20, 2012, 07:33:00 AM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
I've completed the distribution of my 20 BTC ($120) of subsidies. I'm happy to s…
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n/a | Mike Hearn | January 20, 2012, 06:24:11 AM |
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Autonomous agents Bitcoin Discussion
Exactly.Currently it's kind of academic. I think such things will eventually hap…
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n/a | Mike Hearn | January 19, 2012, 06:38:07 PM |
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p2pool - Decentralized, Absolutely DoS-Proof, Pool Hopping-Proof Pool [archival] Pools
In theory you can have multiple instances of p2pool that split and merge to keep…
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n/a | Mike Hearn | January 19, 2012, 12:46:35 PM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
The subsidies are continuing to roll in:02c8a8db2bb0d99cd94a9dc134a1e2c3e62bbab4…
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n/a | Mike Hearn | January 19, 2012, 06:06:18 AM |
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Autonomous agents Bitcoin Discussion
Inspired by the writings of Greg Maxwell, I put together a wiki page on agents,…
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n/a | Mike Hearn | January 18, 2012, 07:50:09 PM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
There we go:http://blockchain.info/tx-index/14404129/4df64f4cd9a59d1f318ad912e97…
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n/a | Mike Hearn | January 17, 2012, 06:19:12 AM |
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New Bitcoin client for Android, iPhone, and Blackberry Project Development
Can you characterize this client as full (like bitcoind), lightweight (like bitc…
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n/a | Mike Hearn | January 16, 2012, 09:37:39 AM |
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Bitcoin in tv show -The Good Wife - Episode 3.13 - Finding Mr. Bitcoin Bitcoin Discussion
Er, the premise of the show is that creating private currencies is illegal, exce…
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n/a | Mike Hearn | January 16, 2012, 09:35:10 AM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
The 13 BTC was change, not a part of the donation. The donations are running at…
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n/a | Mike Hearn | January 16, 2012, 06:19:07 AM |
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p2pool - Decentralized, Absolutely DoS-Proof, Pool Hopping-Proof Pool [archival] Pools
I don't think there's any point in having existing pools mine on the p2pool. The…
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n/a | Mike Hearn | January 15, 2012, 07:15:16 AM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
04b0a9f07be8fa2ec22971ab3e0bb161b87791883c912d826d739d3a8a5aff23
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n/a | Mike Hearn | January 15, 2012, 07:12:06 AM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
Another payment sent
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n/a | Mike Hearn | January 14, 2012, 12:17:07 PM |
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PULL request #748 : Pay-to-script-hash (OP_EVAL replacement) Development & Technical Discussion
QuoteBut the use case I REALLY care about is the secure, multiple-signatures-req…
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n/a | Mike Hearn | January 13, 2012, 09:26:52 AM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
I was assuming that's wrong, as the graph on the p2pool forum post hasn't change…
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n/a | Mike Hearn | January 13, 2012, 09:18:36 AM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
It seems not many new users are joining because of the subsidies. I wonder what…
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n/a | Mike Hearn | January 13, 2012, 06:04:32 AM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
914cffd779f203d91e33a2143215d880395ecdd2cfd059b05e0c6fb1f80f89d4
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n/a | Mike Hearn | January 13, 2012, 06:03:28 AM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
182c1c755375b14d117f1204b32eb8c2224887aad2cf8e14775afa84a7e19f6e
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n/a | Mike Hearn | January 12, 2012, 07:03:59 AM |
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Appetite for fee-rules publishing from mining pools? Development & Technical Discussion
Yes, and as I said, I don't think it will happen, for the reasons outlined in Sa…
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n/a | Mike Hearn | January 11, 2012, 02:34:15 PM |
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Appetite for fee-rules publishing from mining pools? Development & Technical Discussion
A double spend is the end of the world for Bitcoin in my book.Oh dear. Then I th…
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n/a | Mike Hearn | January 11, 2012, 02:12:26 PM |
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Appetite for fee-rules publishing from mining pools? Development & Technical Discussion
Yes, if somebody does repeated double spends with a large value, that would make…
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n/a | Mike Hearn | January 11, 2012, 10:07:42 AM |
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Appetite for fee-rules publishing from mining pools? Development & Technical Discussion
I don't think we should set ourselves up for "a double spend is the end of the w…
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n/a | Mike Hearn | January 11, 2012, 08:26:13 AM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
Some more subsidies today:20f5844c7ec1dccc6abc436bf5ca99b19235fc0f5536cd033d4fac…
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n/a | Mike Hearn | January 11, 2012, 06:31:49 AM |
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Appetite for fee-rules publishing from mining pools? Development & Technical Discussion
MtGox isn't the only entity that cares about network speed so they don't have to…
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n/a | Mike Hearn | January 10, 2012, 04:43:56 PM |
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Appetite for fee-rules publishing from mining pools? Development & Technical Discussion
(edited to simplify this down to a better proposal: it was previously too compli…
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n/a | Mike Hearn | January 10, 2012, 03:04:08 PM |
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Appetite for fee-rules publishing from mining pools? Development & Technical Discussion
There's a pubsub mechanism built into the Bitcoin protocol. I think publishing s…
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n/a | Mike Hearn | January 09, 2012, 09:42:03 AM |
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Appetite for fee-rules publishing from mining pools? Development & Technical Discussion
All those models assume a system whereby fees are attached directly to transacti…
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n/a | Mike Hearn | January 10, 2012, 08:31:03 AM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
Those are my coins actually. That's why I changed the address, to keep it all se…
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n/a | Mike Hearn | January 09, 2012, 05:27:28 AM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
I'm going to do this as well, starting on Wednesday.Do you have an address I can…
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n/a | Mike Hearn | January 09, 2012, 04:59:06 AM |
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Bitcoin DRM behind price increase? Bitcoin Discussion
Well, there you go, your point of view is not any different to thousands of othe…
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n/a | Mike Hearn | January 08, 2012, 03:52:36 PM |
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Bitcoin Vending Machine video - awesome!!! Bitcoin Discussion
Having a qrcode per product is a great idea, except that it might be a bit too e…
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n/a | Mike Hearn | January 08, 2012, 12:30:35 PM |
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Bitcoin DRM behind price increase? Bitcoin Discussion
So you're against two consenting parties being able to form a contract, enforced…
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n/a | Mike Hearn | January 08, 2012, 11:47:28 AM |
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Additional subsidy for P2Pool users: 1-3btc/day Pools
I'm going to do this as well, starting on Wednesday.
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n/a | Mike Hearn | January 08, 2012, 11:42:30 AM |
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Bitcoin Vending Machine video - awesome!!! Bitcoin Discussion
Yeah direct integration with the vending machine to avoid the double-entry would…
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n/a | Mike Hearn | January 08, 2012, 09:08:56 AM |
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Bitcoin DRM behind price increase? Bitcoin Discussion
omg, my personal "bitcoin developer of 2011"-award-winner likes DRM. O-M-G. mayb…
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n/a | Mike Hearn | January 08, 2012, 09:00:36 AM |
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PULL request #748 : Pay-to-script-hash (OP_EVAL replacement) Development & Technical Discussion
Payer-provided transactions is something I've been discussing for quite some mon…
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n/a | Mike Hearn | January 08, 2012, 08:40:45 AM |
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She should have used Bitcoin Bitcoin Discussion
Escrow contracts are relevant here:https://en.bitcoin.it/wiki/Contracts#Example_…
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n/a | Mike Hearn | January 06, 2012, 02:16:59 PM |
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Bitcoin DRM behind price increase? Bitcoin Discussion
In fairness, Ubisofts protection was bizarrely weak given that the foundational…
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n/a | Mike Hearn | January 06, 2012, 02:12:10 PM |
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[ANN] BitcoinSpinner Service Announcements
I wouldn't worry too much about "seeing Apple everywhere". Every iPhone looks ne…
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n/a | Mike Hearn | January 05, 2012, 06:07:25 PM |
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Armory - The most advanced Bitcoin Client in existence! Armory
No, it's I who should apologise. You're right, there is handling of re-orgs in t…
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n/a | Mike Hearn | January 05, 2012, 04:17:14 AM |
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p2pool - Decentralized, Absolutely DoS-Proof, Pool Hopping-Proof Pool [archival] Pools
You always need every block in order to mine. There is no way around that, sorry…
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n/a | Mike Hearn | January 05, 2012, 03:30:32 AM |
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Armory - The most advanced Bitcoin Client in existence! Armory
It's probably just a few lines of code. They have nearly identical behaviors so…
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n/a | Mike Hearn | January 04, 2012, 04:16:22 PM |
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OP_IF and related ops - any examples? Development & Technical Discussion
Data chunks are length prefixed.
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n/a | Mike Hearn | January 04, 2012, 01:31:11 PM |
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Armory - The most advanced Bitcoin Client in existence! Armory
mmap does need the address space, so for a large chain you'd need a 64 bit binar…
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n/a | Mike Hearn | January 04, 2012, 01:28:08 PM |
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Custom Bitcoin transaction with an override key? Development & Technical Discussion
You don't actually want the ability to "get back stolen coins". It sounds superf…
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n/a | Mike Hearn | December 29, 2011, 07:57:06 PM |
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[contest] 2 BTC for suggesting a name of an overlay network on top of Bitcoin Project Development
I don't understand why you can't just extend the core Bitcoin protocol. Bitcoin…
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n/a | Mike Hearn | December 27, 2011, 04:19:17 PM |
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BitPak - The Bitcoin Wallet for iOS Wallet software
Could you describe more about how you implemented this? Is it an adaptation of S…
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n/a | Mike Hearn | December 23, 2011, 06:31:15 AM |
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p2pool - Decentralized, Absolutely DoS-Proof, Pool Hopping-Proof Pool [archival] Pools
Hmm, scriptSig is the sort of canonical place to put block data. Merged mining s…
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n/a | Mike Hearn | December 16, 2011, 03:33:00 PM |
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p2pool - Decentralized, Absolutely DoS-Proof, Pool Hopping-Proof Pool [archival] Pools
Hey Forrest, what's up with the first output of your coinbase transaction? It's…
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n/a | Mike Hearn | December 16, 2011, 05:41:06 AM |
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Another BitcoinJ Error. No support for deserializing message with name alert Project Development
Try using testnet in a box for now: http://sourceforge.net/projects/bitcoin/fi…
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n/a | Mike Hearn | December 13, 2011, 06:49:26 PM |
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p2pool - Decentralized, Absolutely DoS-Proof, Pool Hopping-Proof Pool [archival] Pools
Maybe just show the "efficiency" score without any mention of stales. It's bad t…
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n/a | Mike Hearn | December 05, 2011, 10:13:27 AM |
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Ad-hoc Bluetooth networks and micropayment based internet access Development & Technical Discussion
hashcoins proposal is pretty much the same as what I described above. I'd forgot…
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n/a | Mike Hearn | December 04, 2011, 01:06:51 PM |
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[ANN] Introducing LoveBitcoins.org – Driving 1 MILLION Bitcoin Users in 2012 Bitcoin Discussion
A mobile client that needs to download and verify the block chain will drain you…
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n/a | Mike Hearn | December 04, 2011, 12:58:40 PM |
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Elliptic curve math question Development & Technical Discussion
I think you guys should seriously review the literature on this before (re)inven…
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n/a | Mike Hearn | December 04, 2011, 12:52:39 PM |
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[ANN] Introducing LoveBitcoins.org – Driving 1 MILLION Bitcoin Users in 2012 Bitcoin Discussion
A mobile wallet client should contain the private keys, but not the blockchain. …
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n/a | Mike Hearn | December 04, 2011, 12:46:08 PM |
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