4 Is there a special name for the block currently at the head of the chain? 2015-03-21T03:03:16.577

4 Parameters in UpdateTip - calculation of log2_work 2015-05-06T15:04:36.517

4 Would an increased blocksize lower the stress of the stress tests? 2015-09-04T04:57:04.487

4 Why is CheckBlock called twice when processing a new block? 2015-10-24T12:50:38.567

4 Can a Bitcoin block be less than 1mb? 2015-11-01T03:26:50.260

4 Would this scheme allow faster verification of transactions? (Multiple parallel block chains) 2016-05-06T20:29:56.517

4 Blocked transaction wallet on my phone 2016-05-27T10:59:23.697

4 What is the "confirmation" field in a block? 2016-08-22T17:28:15.697

4 Modifying data in existing blocks 2016-08-22T23:41:56.743

4 where is difficulty target inserted? 2016-10-17T19:17:04.300

4 Download single and specific block for study purposes 2017-07-03T15:31:49.283

4 What is the mechanism by which the 'system' adjusts the difficulty of finding blocks so one is found on average every 10 minutes? 2017-09-19T11:50:26.370

4 How to mine first block of POS coin 2017-09-19T12:22:11.960

4 How segwit blocks are seen by segwit and non-segwit nodes? 2017-11-28T13:50:24.850

4 Which is the smallest hash that has ever been hashed? 2017-12-16T19:52:58.207

4 How to recover corrupted Bitcoin-Core blockchain? 2017-12-18T15:14:39.017

4 The role of timestamp 2018-01-15T23:05:26.750

4 Why are block header bits necessary? (Valid difficulty is already implied by chain history) 2018-12-02T20:12:40.877

4 How has the Bitcoin average block size recently risen above 3 MB? 2019-07-16T06:30:02.187

4 How long are orphaned or stale blocks kept in bitcoin core nodes memory? 2019-07-17T11:56:32.570

3 Bitcoind statistics 2012-03-09T10:37:18.470

3 Where can I find a graph of average transactions per block over time? 2012-05-03T23:09:46.700

3 Is the current number of confirmations visible somewhere in the raw block? 2012-08-23T07:13:27.063

3 Is there any way to get the block number of generation from coinbase? 2012-11-25T14:28:23.180

3 Is it possible for a valid block to be added to an invalid one, and have it accepted by another client? 2012-12-20T00:59:06.653

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

3 given a json of a block, how do I calculate its hash? 2013-04-13T23:53:52.710

3 How to 'pick' transactions to include when attempting to add a new block? 2013-08-27T12:21:43.930

3 How is block reward set in time? 2014-01-02T18:31:19.437

3 How is network time enforced? 2014-01-04T02:12:43.253

3 Where are the blocks in the blockchain stored? 2014-02-03T06:11:38.447

3 bitcoind in testnet is not synchronizing 2014-03-13T13:50:14.737

3 Is there database of orphaned blocks? 2014-06-02T08:21:55.610

3 Random numbers using blockchain 2014-10-12T19:12:54.750

3 When miners are working on their block, does everybody's block have the same transactions in them? 2014-11-08T10:30:53.107

3 Which cryptocurrency has the smallest block time? 2015-02-06T17:08:56.023

3 Verifying Bitcoin ownership 2015-02-13T06:19:01.337

3 What is the purpose of Merkle Tree in blocks? 2015-02-13T06:36:23.963

3 Pruning the branches in Merkle Tree 2015-02-18T04:00:52.147

3 Energy to confirm one block? 2015-03-18T20:17:56.233

3 Stopping Hash field in GetBlocks Message 2015-05-05T14:12:51.613

3 What can a dishonest node do (or try to do)? 2015-05-26T20:58:53.377

3 What happens to price when the block reward is gone completely? 2015-07-19T05:48:36.103

3 Are blocks sent only after finding nonce? 2015-07-28T23:36:43.083

3 In Proof-of-Stake, can a block creator fudge the block hash? 2015-10-12T05:03:51.147

3 Mining for nil-transaction blocks only - gaming the incentive scheme by rogue miners / consortium? 2015-11-16T15:58:29.703

3 Why are coinbase transaction outputs greater than reward? 2015-12-14T17:44:59.933

3 How to run a full node: Am I already doing so? 2015-12-30T20:34:46.440

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

3 timestamp different block explorers are not the same 2016-10-26T12:14:57.247

3 Bitcoin core API for address 2016-11-03T05:16:16.680

3 How to calculate the BIP34Hash? 2017-06-07T10:46:45.123

3 After Segwit Activation, what is the largest block size possible? 2017-06-27T06:50:29.533

3 Is Bitcoin network an Asynchronous network or a synchronous network? 2017-08-21T01:05:11.427

3 Determining if input is a block ID, transaction ID, or address 2017-09-05T17:52:17.000

3 What algorithm do bitcoin miners use to choose which tx to include in their block? 2017-11-02T07:36:31.053

3 Adjustable block size 2017-12-11T09:00:30.753

3 How do Bitcoin mining pools send their miner's their share of the block reward 2017-12-26T16:22:15.970

3 What is the difference between Root Hash and Block Hash? 2018-02-06T19:37:57.633

3 How does the structure of a segwit block differ from a non-segwit block? 2019-01-15T20:48:11.297

2 What is the smallest block ever mined? 2013-03-30T01:09:11.840

2 Is the time value in transaction or block information the time it arrived at my client? 2013-05-02T22:24:32.790

2 Why did this empty transaction block get awarded 25 bitcoins? 2013-05-29T03:07:07.930

2 How are transactions in forks verified efficiently? 2013-07-04T07:09:23.333

2 Why did Dan Kaminsky say that Bitcoin is dependent on the Federal Reserve? 2013-10-27T05:06:55.303

2 Why was the time between these two blocks not approximately 10 minutes? 2013-11-12T20:23:10.503

2 Largest block (measured in Bitcoins) 2014-01-03T21:50:28.733

2 What would happen if there were two "disjoined" versions of bitcoin with the same popularity? 2014-01-23T11:47:59.353

2 Will old accepted blocks ever be removed? 2014-01-25T11:16:24.920

2 How to determine how many coins have been mined regardless of block count in main.cpp 2014-02-01T13:50:56.770

2 Where is the code that specifies when a block is released? 2014-03-08T17:48:52.673

2 How to find a block containing a transaction using transaction hash only? 2014-06-10T16:53:02.550

2 What is the block / confirmation time for NXT coin? 2014-07-08T05:56:12.173

2 What shape of merkle tree does the Bitcoin client build? 2014-09-01T03:08:16.340

2 How could block propagation time be reduced? 2014-09-11T22:45:37.980

2 Do Miners get a reward for re-confirming blocks? 2014-11-16T13:08:04.547

2 In what order do new blocks get processed? 2014-12-01T10:40:09.163

2 Do P2Pool nodes always accept real blocks over share blocks? 2015-02-05T21:30:02.310

2 How do thin-clients know in which blocks to look? 2015-03-09T17:52:26.340

2 Bitcoin transactions over Ripple Network 2015-03-26T03:40:15.213

2 How does "headers first" affect BLKxxxx.dat structure? 2015-03-27T05:25:46.560

2 Which function is called to mine a block, broadcast the newly mined block & receive a newly mined block? 2015-05-12T19:44:12.817

2 Avarage block size 2015-05-21T14:09:21.987

2 How can I get the DateTime of when bitcoind last received a block? 2015-07-08T19:49:15.450

2 How can one extract an address balance at a specific height? 2015-07-29T05:43:45.147

2 Transaction ordering when one transaction redeems another within a block 2015-08-25T18:16:04.813

2 Get as many blocks as possible (stale, invalid, orphans) 2015-09-01T12:05:34.180

2 How can a block be considered more difficult to solve/hash than another one? 2015-09-05T03:26:43.833

2 What are the various block size increase proposals? 2015-12-09T20:27:34.123

2 how do nodes verify that a block has been solved and can be added to the blockchain 2015-12-17T23:58:24.193

2 How to add coinbase transaction with libblkmaker 2016-02-02T10:40:53.893

2 What are the possible Doomsday scenarios for the 2016 Halving from 25 to 12.5 BTC per block solved? 2016-04-22T23:33:22.363

2 How long is a Bitcoin? 2016-05-24T15:30:39.140

2 Getting started, how do I buy bitcoin 2016-06-16T14:39:16.253

2 How is the extra nonce formatted? 2016-09-12T16:40:29.120

2 Source for accurate block timestamps? 2016-10-04T21:49:26.000

2 Why do testnet blocks have future timestamp? 2016-10-06T11:35:42.050

2 testnet3 frequent tx malleability 2017-04-04T18:49:40.583

2 Shower thought: would continually broadcasting 1mb blocks help with scaling? 2017-04-23T08:47:51.640