Tag: blockchain

4 Algorithm of checking whether an element is present in a merkle tree 2016-11-05T22:39:01.287

4 Does rootstock need segregated witness to work? 2016-11-06T11:42:42.313

4 Is there any tool available that can tell me the balance of bitcoin address on specific date? 2017-01-11T18:27:33.133

4 Blockchain SHA256 hash and nonce 2017-03-01T17:22:49.487

4 Unconfirmed transactions with Electrum? 2017-03-05T03:19:45.233

4 Send from bitcoin core without downloading blockchain 2017-03-14T14:53:40.167

4 What are sidechains and drivechains? 2017-06-01T15:29:47.120

4 How scalable is a Blockchain-based system? 2017-06-08T10:01:49.733

4 What happens if a miner publishes a block which contains an invalid transaction? 2017-07-06T12:51:01.417

4 What is the main difference between " enterprise" blockchain and regular blockchain? 2017-07-07T13:40:33.273

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 Which open-source cryptocurrency exchange software is best? 2017-10-07T09:32:14.810

4 Blockchain size problem 2017-10-08T23:40:22.523

4 Chaos Signals to Decide Blockchains? 2017-10-30T07:42:04.883

4 What are the rev00000.dat files? 2017-11-27T20:02:32.383

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

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

4 How can one blockchain with the same block heigth as another, have more Proof-of-Work 2018-03-11T20:24:17.253

4 Who needs a copy of the entire blockchain these days? 2018-03-20T19:19:25.147

4 Aborting a three-way swap 2018-03-24T05:14:49.273

4 Blockchain Address gap limit solution 2018-04-26T21:29:48.170

4 What positive effects can Quantum Computers have on the Blockchain technology and hence Bitcoin 2018-05-09T23:55:46.347

4 Why aren't block hashes used directly as scores for difficulty purposes? 2018-07-20T14:22:18.587

4 Lost my Bitcoin wallet and have only 11 out of 12 mnemonic seed phrase words. How can I get my Bitcoins? 2018-09-06T20:53:03.217

4 Why would running a light node riskier and subject to more frauds than a full node? We don't NEED a full ledger, do we? 2018-11-22T05:09:30.490

4 Is there anything called anonymous or private bitcoins? 2018-12-12T05:42:50.103

4 What happens if a miner receives a block but not its previous? 2019-05-06T20:48:04.783

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

4 Why is 550 (MiB) chosen for minimum storage size for prune mode? 2019-09-01T09:16:21.617

3 Are there really messages in the blockchain? 2011-08-30T23:41:26.353

3 Did Satoshi object to embedding data in the block chain? Why? 2012-01-16T17:00:25.803

3 Can I get an overdraft? 2012-01-21T18:54:09.570

3 Can you run P2Pool without having to keep the blockchain updated? 2012-01-26T23:25:31.723

3 Is there a future-proof method of encoding messages in the blockchain? 2012-06-17T01:04:54.150

3 What is a transaction's step-by-step life cycle? 2012-09-17T02:04:46.777

3 What is the structure of blk001.dat and blkindex.dat? 2012-10-07T15:02:49.060

3 Synchronising official bitcoin wallet for the first time; at 95% started going backwards 2012-10-24T20:05:14.707

3 How can I tell if someone is trying to hack port 8333? 2012-12-10T23:30:58.773

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 blockchain.info JSON API problem 2012-12-30T18:16:16.987

3 What is the total number of Bitcoin transactions processed so far? 2013-01-08T15:05:34.687

3 List of problematic blocks 2013-01-12T03:39:59.563

3 I sent bitcoins to my wallet before it had synced. is there ANY way i can get my coins back? 2013-01-31T02:43:32.850

3 What is the easiest way to "listen" to the network? 2013-02-15T05:12:54.310

3 Can the Bitcoin protocol be configured to *never* rollback after a certain block? 2013-03-13T17:14:45.853

3 How Would This Procedure Be Performed? Transfer to Offline wallet 2013-03-27T21:40:04.323

3 Are hardlinks responsible for the bitcoin data directory appearing larger than expected? 2013-03-31T20:18:29.490

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

3 Why verifying later blockchain is slower? 2013-04-07T12:46:33.547

3 How do I fully uninstall the Bitcoin Wallet app for Android? 2013-04-11T13:37:30.673

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

3 Bitcoin-qt Not Syncing with errors 2013-04-19T17:50:29.303

3 Could the target become unreachable? 2013-04-24T07:46:19.507

3 Alt currencys blockchain viewer 2013-05-06T11:00:10.023

3 Bitcoin-Qt [0.8+] can read the blockchain. How can I? (and make it human readable) 2013-05-10T22:18:03.940

3 Can I use the official wallet to recover bitcoins sent to an alternative wallet? 2013-05-16T16:34:17.257

3 How does a client get the merkle branch of a transaction? 2013-05-20T10:42:25.190

3 If the blockchain records all transactions, how does losing your wallet imply that you lose your Bitcoin? 2013-05-23T16:28:58.930

3 How do I find out what getwork would have returned for an already mined block? 2013-06-04T04:03:21.633

3 By byte size and number of inputs/outputs, what are the largest transactions in the block chain so far? 2013-06-08T20:08:10.663

3 How do I get testnet block height? 2013-06-17T14:23:16.627

3 Can the blockchain ever be restarted? 2013-06-28T00:49:21.677

3 How do I investigate an address or transaction? 2013-07-18T14:01:26.757

3 Why is the relationship between tx and block many to many? 2013-07-19T21:22:25.963

3 does blockchain.info have everyone's private key? 2013-07-25T07:22:17.720

3 Determining refund addresses with bitcoind 2013-08-28T00:30:11.763

3 Do all weeks of blocks take the same time to process? 2013-09-28T19:51:40.820

3 How long does it take to download blockchain 2013-10-27T10:50:51.053

3 two block are broadcast almost at same time, which will be accepted? 2013-11-12T19:21:27.423

3 MtGox withdrawal transaction not in blockchain 2013-11-18T23:34:00.000

3 How can I specify transaction fee size when creating a raw transaction? 2013-12-03T06:46:55.163

3 Longer fake block chain with "valid" transactions 2013-12-03T08:56:43.253

3 How to retrieve all addresses with non-zero balance and their balances? 2013-12-03T21:17:33.693

3 What attacks are possible with a malicious bootstrap.dat? 2013-12-04T16:47:35.653

3 Can a blockchain transaction history be updated by text messages using a mobile network? 2013-12-05T08:42:23.230

3 When will the blockchain be pruned? 2013-12-26T13:35:41.383

3 How to get a history of incoming and outgoing transactions for a certain address? 2013-12-27T15:47:27.507

3 How can the blockchain survive without an army or other kind of law enforcement? 2013-12-30T10:12:46.390

3 How to decode very huge (!) raw transactions? 2014-01-01T12:48:00.973

3 Block explorer with testnet raw hex data 2014-01-02T16:38:31.443

3 Blockchain length by number of blocks or transactions? 2014-01-08T19:07:18.553

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

3 Should there be a minimum transaction limit to prevent dust spam? 2014-02-12T22:27:28.050

3 How will Bitcoin deal with the year 2106 problem? 2014-02-16T17:24:02.537

3 What is the NTX ID that Mt. Gox refer to in their Feb 17th Statement? 2014-02-17T17:11:30.837

3 How to create a bootstrap.dat file? 2014-03-05T10:05:14.290

3 First block of blk00000.dat from bootstrap.dat doesn't contain genesis block 2014-03-15T17:47:55.427

3 Is there any relation between the block version field and the one of the transaction? 2014-03-17T14:50:32.137

3 How is the reward that you got after calculating the right hash added in the blockchain? 2014-03-18T05:17:31.173

3 Is block height always sequential? 2014-04-04T16:15:52.137

3 SHA256 * 2 on header - what am I doing wrong? 2014-05-14T02:10:59.830

3 How will the new Internet Neutrality Act affect Bitcoin? 2014-05-15T18:57:57.250

3 How can Blockchain.info wallet send unconfirmed bitcoins? 2014-05-17T08:50:49.597

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

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

3 Duplicated hash values in mining reward 2014-06-11T09:54:07.850

3 What is the best way to implement withdrawal in online service? 2014-06-15T21:27:44.597

3 How do I prevent Bitcoin-qt from having to keep reindexing the blockchain? 2014-06-17T06:36:36.093

3 Can you assume that all inputs to a Bitcoin transaction are controlled by the same person? 2014-07-11T14:30:13.290