Tag: timestamp

27 Why don't the timestamps in the block chain always increase? 2011-09-12T17:20:45.950

25 How does Bitcoin figure out what time it is? 2013-02-01T07:47:04.037

21 Gaming the "off-by-one" bug (difficulty re-target based on 2015 instead of 2016 block time span)? 2011-10-13T19:45:54.217

19 Was a timejacking attack ever performed? 2012-04-28T19:15:38.640

12 How can an earlier block have a later timestamp? 2012-05-21T00:09:34.370

11 how can I insert an arbitrary sha256 hash into the blockchain? 2012-07-30T17:24:04.747

11 Transactions with a wait time (using nLockTime) 2012-12-14T13:31:13.533

10 What are acausal blocks? 2011-10-13T19:58:23.323

8 How accurate is Bitcoin network time? 2014-01-13T05:40:07.793

8 What prevents similar time-warp attacks in Bitcoin as happened to Verge? 2018-05-22T22:08:29.313

7 How is locktime enforced in the standard client? 2012-12-24T10:53:28.843

7 What format is the time of a Bitcoin transaction stored in? 2013-02-19T20:30:31.767

6 What stops miners/nodes lying about what time a block was mined? 2012-10-17T05:45:29.557

6 Can a blockchain from the future be synchronized today? 2016-10-07T22:01:42.150

6 January 19th, 2038: RIP Unix Timestamps 2018-09-13T18:27:53.963

5 Getwork - can the miner increment timestamp? 2012-02-10T05:28:49.563

5 Why the timestamp component of the block header? 2013-08-27T12:10:32.467

5 Are timestamps in transactions trustable? 2013-11-26T23:14:57.137

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

5 How could a time warp attack be prevented? 2015-01-07T06:16:19.223

5 Is Bitcoin a decentralized time-stamping authority? 2015-12-30T05:47:58.500

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

5 From where does the 2 hours limitation on bitcoin time stamp come? 2018-07-30T21:32:56.440

5 Does Cryptocurrency really need timestamps? 2020-05-26T07:55:42.637

4 Can a miner set the EXACT timestamp of a block? 2013-08-07T20:41:11.187

4 Ripple ledger time format? 2014-03-05T01:54:06.190

4 How does a time warp attack work? 2016-09-10T01:29:36.897

4 where do the timestamps on blocks come from? 2016-09-22T10:55:11.603

4 what if the timelock is in the past? 2020-12-07T03:56:53.237

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

3 How do we check the time when a transaction hits x confirmations? 2014-05-23T13:52:23.357

3 blockchain.info transaction timestamps set into the future 2015-06-04T00:00:44.473

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

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

3 Rewriting the entire blockchain: is it possible to spoof block timestamps of a privately mined chain? 2018-01-06T22:40:17.663

3 Why does the median-past time average the last 11 block timestamps and not the last 12? 2018-06-20T22:14:18.057

3 How does timejacking enable double spending? 2018-08-06T10:39:31.403

3 Block 620826 is 1 second before block 620825? 2020-03-08T18:01:15.193

2 Can the Bitcoin network be used as a timestamping service? 2013-06-26T07:42:16.123

2 Bitcoin QT computer time 2013-07-14T06:38:50.767

2 Are transactions verified in chronological order? 2013-12-17T04:24:12.657

2 Finding the timing of blocks, afterwards? 2015-12-30T23:08:37.203

2 Bitfinex get credits and convert timestamp to JS Date 2016-02-08T13:15:19.450

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

2 How to calculate block generation time from block's data? 2017-05-11T11:50:23.603

2 Are there performance implications using the "timestamp" property of ImportMulti in the following way? 2017-11-23T01:48:13.730

2 How is PSZ Timestamp encoded in Bitcoin core code? 2018-07-23T11:21:35.340

2 When update mining difficulty, Is the timespan of the past 2016 blocks approximated value? 2018-09-12T02:38:49.510

2 Is there a way to see the precise time of when a transaction was sent out? 2020-07-25T05:18:12.760

2 Can we look at how long it took to solve for the most recent block in the blockchain? (and how?) 2021-02-05T00:16:16.723

1 In a given contract, should the "LockTime" timestamp include an extra hour for confirmations to prevent a double spend? 2012-12-20T19:04:08.800

1 Is the block timestamp reliable enough to timestamp the hash of a document? 2014-12-28T17:36:07.743

1 bc.info transactions with no timestamp 2015-06-01T16:30:16.997

1 Why do we need two transactions for CommitCoin scheme 2016-10-13T03:09:31.287

1 How do nodes agree on timestamps? 2017-06-22T20:21:46.657

1 What is the purpose of Bitcoin timestamps 2017-09-01T10:44:55.043

1 From the Whitepaper: Timestamps prove that the data must have existed at the time" 2017-12-29T09:22:39.740

1 What roles has the TIME information play in the bitcoin header? 2018-02-08T13:58:21.577

1 What prevents DoS based on near-valid block timestamps? 2018-07-23T19:42:25.253

1 Is it feasible to prove the density of found hashes and could that be valuable? 2019-11-18T06:11:44.207

1 What does best block time mean in wallet.dat 2020-02-10T14:16:03.250

1 How to get the time when a block is received at a node? 2020-05-28T01:57:38.707

0 understanding timestamp from blockexplorer.com 2013-10-17T15:26:22.163

0 distinguish change address from real origin<->destination 2013-11-01T16:21:51.887

0 Can an old block be inserted into the blockchain? 2014-01-05T01:53:10.853

0 How exactly is network time sampled? 2014-04-01T01:05:13.023

0 Why use OP_RETURN for long-term timestamping if they are pruneable? 2015-01-06T12:01:34.743

0 Using the blockchain for providing other services, besides bitcoin transactions 2015-07-17T15:38:25.907

0 Is there a way to get the node's local time when a block was received? 2016-01-14T20:45:23.543

0 Proving the margin of error of a block timestamp 2017-03-24T16:53:22.047

0 Bitcoind Testnet time/timereceived constantly changing? 2018-01-04T13:20:33.693

0 What is happening to the none approved transactions? 2018-01-17T13:47:56.697

0 Would mining future bitcoins break the bitcoin? 2018-05-02T12:23:48.033

0 Network Time of Bitcoin 2018-07-31T10:29:37.050

0 Bitcoin Pro API - How do you format start/end time for Historic Data? 2018-12-02T18:31:56.850

0 How do nodes come to consensus on whether a timestamp is valid? 2019-03-26T05:58:22.670

0 How does this time-stamping system work? 2019-05-14T10:41:23.143

0 Retrieve number of OP-RETURN transaction 2019-06-05T10:34:59.397

0 TSA: Why singing hash(hash(data),t)? 2019-09-16T13:27:43.997

0 how the miner start to count the timestamp to insert in the block 2019-11-18T16:25:04.027

0 HELP ME WITH BITCOIN TIME STAMPS 2020-08-02T08:10:19.953

0 Is a timestamp in bitcoin different than just the "stamp of time"? 2020-10-04T23:14:03.073