5 How are transactions in discarded forks merged back into the blockchain? 2011-09-15T06:01:09.417

5 Could a futures market be included in the Bitcoin protocol? 2011-09-16T16:27:38.280

5 Does the client broadcast it's version? Is it possible to determine which version of client are in use? 2011-10-18T14:27:46.513

5 Bitcoin initial communication diagram 2011-11-02T21:09:55.730

5 Version field in transactions, blocks, etc 2011-12-02T08:04:27.827

5 Why are p2sh and CHV forward-compatible but not backward-compatible? 2012-01-26T04:52:36.940

5 In Getwork, how does one calculate the value of Hash1? 2012-02-11T01:59:49.223

5 How does Bitcoin decide which Alert messages to forward? 2012-04-06T21:54:33.403

5 Why do some generation transactions use pubkey, instead of hash? 2012-07-19T23:35:47.393

5 Can a miner remain anonymous? 2012-07-24T18:32:15.890

5 What are the internal details of GetWork() .. the foundation of Bitcoin mining? 2012-09-20T16:18:14.073

5 From a legel perspective, are Bitcoins "created" by a miner or the Bitcoin Protocol? 2013-03-22T19:44:12.000

5 What were IP transactions supposed to be useful for? 2013-05-14T19:00:26.607

5 How do I find out what the latest protocol version is? 2013-10-01T16:35:57.947

5 Not relaying non-standard transactions 2013-12-13T02:17:08.227

5 How many addresses are sent in response to a getaddr message? 2013-12-13T14:15:52.863

5 Can there be 100% change transactions? 2014-01-04T14:05:22.827

5 Isn't bribe smearing possible because no payee signature is required? 2014-01-28T02:07:29.913

5 Transaction refund address 2014-04-08T19:11:10.020

5 Pros and Cons between Ripple payment verification and centralized authority's payment verification 2014-05-06T05:06:47.903

5 Bitcoin private key, location on ECC curve 2014-05-15T23:53:44.177

5 Can an output be spent in the block in which it is contained? 2014-09-12T14:53:54.353

5 Why is two hours the maximum acceptable offset for Bitcoin blocks? 2014-09-20T22:16:14.697

5 How do I compose a transaction with OP_RETURN in Python? 2015-02-09T06:41:39.100

5 What technical properties does a confirmed Tx have that an unconfirmed Tx does not? 2016-01-15T21:49:32.217

4 Raw block / other messages 2011-09-28T13:21:11.717

4 In order to "pay someone back", must I ask them for a return address? 2011-12-31T13:06:34.123

4 Where can I find some guidelines on how to program a merged mining transaction? 2012-02-20T23:06:22.720

4 How soon does bitcoind incorporate locally solved blocks into its 'getwork' output? 2012-02-25T04:19:00.093

4 Is proof-of-stake a viable alternative / augmentation to proof-of-work? 2012-03-09T12:33:34.300

4 Did P2SH (BIP 16) get accepted? 2012-09-10T21:16:22.317

4 I'm developing on the Test network. Are there any "rules" or communication methods I should adopt? 2012-12-17T17:58:23.660

4 Is my idea of getwork protocol for bitminer right? 2013-01-07T22:28:38.383

4 How does the Bitcoin client check for double spend? 2013-01-24T18:17:01.773

4 Protocols for use between mining clients and mining pool servers 2013-09-07T09:25:22.620

4 Do any Virtual Currencies use coins that have an expiration date? 2013-10-15T16:54:11.827

4 What is the problem that mining solves? 2013-11-08T13:57:17.973

4 Is there an efficient and secure way to transmit bitcoins over shortwave radio? 2014-02-05T00:00:25.110

4 How was the new target for block 32256 calculated? 2014-02-23T19:05:56.633

4 Bitcoin blockchain search algorithm and consistency policy 2014-03-07T06:33:31.033

4 What are the weakest cryptographic guarantees in Bitcoin? 2014-03-09T19:03:23.973

4 Ripple Distributed Consensus Algorithm 2014-05-12T09:51:26.693

4 Why is my raw transaction non-canonical, getting error -25, and being rejected? 2015-02-18T07:09:43.137

4 In bitcoin network will there be a path from every node to every other node? 2015-10-29T02:22:23.723

4 bitcoin protocol: transaction encoding 2016-06-23T23:12:40.683

4 Making peer connection in Python 2016-08-31T18:20:40.403

4 bitcoin smartcontract feature 2016-12-12T14:25:51.817

4 How do fees get processed in bitcoin? (protocol question) 2017-11-07T17:12:44.347

4 How does the Bitcoin network deal with bad actors? 2017-12-05T03:11:47.177

4 Why was an insecure merkle tree implementation chosen? 2018-11-13T12:16:54.993

4 How would the gossip protocol announce channels from a channel factory? 2019-03-15T22:33:44.047

3 Bitcoin communication with non-standard ports 2011-10-07T21:39:16.700

3 Bitcoin client communication time constraints 2011-10-29T14:31:31.273

3 Can a Bitcoin node send messages to a program on the same machine? 2011-10-30T13:53:04.423

3 Miner username and password - does it need to be unique in the major pools? 2012-02-08T05:53:07.833

3 Pool getwork "target"? 2012-02-15T06:09:08.760

3 For SIGHASH_SINGLE do the outputs other than at the input index, have 8 bytes or 9 bytes including a VarInt? 2012-06-04T13:05:04.087

3 Could many large forks cause a DoS attack on the miner? 2012-09-21T18:27:36.023

3 Testvectors for dedicated hardware miner 2012-11-08T15:22:27.933

3 Which version of the JSON-RPC protocol does Bitcoin use? 2013-02-10T18:13:31.967

3 Do transactions in Ripple have a TXID of sorts, or not? 2013-02-11T10:13:54.220

3 What are the requirements of a transaction being included in a block? 2013-03-19T05:21:33.617

3 Alternative uses of a blockchain-mechanism? 2013-04-03T18:34:38.850

3 Please explain getwork 2013-04-13T22:47:42.487

3 What are the special Ripple accounts ACCOUNT_ZERO, ACCOUNT_ONE, and root account? 2013-04-26T00:00:53.870

3 How Many Bitcoins Are Missing? 2013-10-11T12:21:53.480

3 How are transactions and blocks relayed? 2013-12-11T07:11:39.530

3 What protocols are built on top of Bitcoin? 2013-12-18T21:26:29.583

3 What is the XPT protocol? 2013-12-27T16:26:52.327

3 Why is an invalid pubkey accepted in the blockchain? 2014-02-12T17:19:52.217

3 How does the satoshi client handle endianness? 2014-03-07T19:42:13.283

3 Custom altcoin won't sync with node and neither will accept a miner connection 2014-06-13T03:10:56.377

3 addr_recv addr_from in version Message 2014-08-05T14:56:11.777

3 How do I query a remote bitcoin node like RPC? 2014-10-12T11:58:28.637

3 Non standard Tx with obscure OP codes: examples 2015-02-09T04:14:52.580

3 Maximum number of op_codes in script 2015-06-23T22:43:34.450

3 BIP65: "replacing ntimelock entirely"? 2015-07-07T05:11:09.930

3 Does an OP_RETURN script always need another output within the transaction? 2015-07-07T13:41:47.943

3 What is the actual reason for using boost:signals for few functions? 2015-12-21T07:58:31.900

3 How does each miner know when to create a block? 2016-05-06T13:32:00.053

3 Why is it not possible to replay transactions? 2016-07-30T07:24:41.880

3 What exactly were the novel contributions of Bitcoin? 2016-09-06T22:36:49.710

3 Adding «Donate» Bitcoin button in README.md file GitHub repository 2016-09-21T17:34:30.743

3 Can I rely on multisignature addresses being future proof? 2016-10-26T07:45:34.317

3 Do OP_RETURN messages persist on the blockchain? 2016-12-12T02:13:06.083

3 What are concrete uses of Bitcoin script? 2017-02-23T22:10:17.880

3 What prevents a transaction being added to the block chain twice? 2017-10-01T10:29:33.813

3 Are Bitcoin core devs contributing to ISO/TC 307 Blockchain and distributed ledger technologies 2019-03-07T14:00:10.923

2 Block Explorer, which fields are reversed, and which are the same as in a raw block dump? 2011-11-25T20:13:10.790

2 Script - OP_SIZE 2011-12-26T15:34:07.597

2 How do pools get the needed transaction information? 2012-01-07T00:21:40.393

2 Miners - HTTP JSON-RPC or JSON-RPC? 2012-01-21T16:47:40.157

2 Bitcoin pool and getwork data validity 2012-01-23T02:38:07.300

2 How many addresses does bitcoind use for Bitcoin generation? 2012-01-23T14:14:10.793

2 Will any of the proposed Scripts (OP_XXX) allow subscription/recurring type payments? 2012-01-24T20:47:02.570

2 Getwork and GetMemoryPool - why is previous block hash different? 2012-02-15T22:07:05.507

2 Are there proposed hardfork changes that couldn't be made if the market was filled with ASIC miners? 2012-06-23T12:33:39.643

2 What ways does a miner differ from a wallet? 2012-09-16T19:12:57.383

2 What makes difficulty more difficult? 2012-12-05T08:20:13.380