Tag: blockchain

1 Wallet programming, search transactions by address 2014-05-23T21:46:52.240

1 Purpose of a BlockChain in local wallet application 2014-06-07T09:46:28.623

1 What determines how many transactions end up in a given block? 2014-06-21T15:20:14.220

1 Confirmation limit 2014-07-22T12:38:33.073

1 Include checksum in a transaction 2014-07-31T13:35:22.470

1 Tie Breaking in bitcoin transaction 2014-08-21T11:43:03.747

1 Unconfirmed Transaction >22 hrs 2014-08-21T11:52:26.243

1 Blockchain command line tools 2014-08-21T15:57:08.517

1 Lost private keys. Help to recover 2014-08-24T12:10:34.870

1 How many OP_RETURN transactions in the Blockchain would be too many? 2014-08-31T14:51:09.790

1 Bitcoind randomly stops downloading the blockchain 2014-09-06T15:15:53.413

1 Where can I find a chart of the daily supply? 2014-09-19T11:06:59.383

1 Bitcoin-qt and lost local blockchain files 2014-09-24T13:16:28.493

1 Blockchain Parser not working on blockchain generated in regtest mode using bitcoind. Any help? 2014-09-24T23:11:34.767

1 Can decentralized blockchain technology like bitcoin be used to store medical information? 2014-10-01T19:24:36.483

1 If all block chain copies get deleted, what would happen? 2014-10-11T11:55:23.337

1 How do I change the default blockchain Database download location for NXT? 2014-10-18T23:54:40.560

1 how to get one address from two public keys? 2014-11-16T11:28:59.893

1 How to fork an Altcoin Which has 0 Reward Block to continue mining after the LAST POW BLOCK 2014-11-27T12:31:11.500

1 Query Blockchain: Reference previous transaction in "txin" 2014-11-30T23:31:54.620

1 Lower confirmation time schemes: any requirement between confirmation time and the probability to find a block during that confirmation time? 2014-12-04T18:43:14.797

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

1 Is it necessary for all miner to reset mining when the tip of blockchain has changed? 2015-01-21T02:55:39.780

1 Bitcoin-QT: which external memory (connected via USB2.0 + TrueCrypt) would work? 2015-01-22T03:24:33.683

1 If bitcoin fails as a currency, how will blockchain tech still be secure for other applications? 2015-02-21T09:17:43.717

1 Blockchain (lack of backwards) compatibility in Bitcoincore 0.10.x 2015-02-26T09:32:28.853

1 How to generate a private key to create wallet through api in Block chain 2015-03-04T08:22:44.693

1 Can coin wallets create their own network/blockchain? 2015-03-23T05:49:34.467

1 Bitcoin database needs to rebuild every time after defrag or reboot 2015-04-04T13:49:07.183

1 How to check Bitcoind block chain download progress level without blockchain explorer? 2015-04-22T09:52:19.760

1 Regtest: One node nullifying other node's balance 2015-05-01T17:15:11.837

1 Alternatives to OP_RETURN to store data in Bitcoin blockchain 2015-05-03T06:06:17.223

1 Blockchain API - Returns "Read timed out" when calling my website callback 2015-05-15T16:41:51.263

1 Why the same confirmed transaction in the Testnet has different block hash and other fields? 2015-05-25T18:07:23.550

1 Is this pattern a tracking method or just a Bitcoin wallet making change to itself? 2015-05-26T23:34:29.390

1 Source for blockchain dump in machine readable format 2015-06-09T23:57:59.583

1 Bitcoin resistance against forged slow chain 2015-06-13T17:31:55.300

1 How to access locally stored inventory data? 2015-06-21T16:40:35.737

1 Selfish Mining: stale or orphan? 2015-07-15T06:39:57.807

1 Sending funds on same block of received funds. Confirm sending not received? 2015-07-23T15:30:05.297

1 POS Receipt payment identification 2015-08-04T15:39:11.200

1 Is there a service that can track how a coin flows from one wallet to another visually? 2015-08-07T16:18:34.293

1 Wanted to back up blockchain to save space, now I cannot open bitcoin QT? 2015-08-18T09:02:40.820

1 Validate chain from `valid-headers` to `valid-fork` 2015-09-03T01:07:25.897

1 Merging blockchains after algorithm change 2015-09-13T14:57:50.863

1 Basic transaction validation rules, Node accept to pool policy 2015-09-17T09:52:09.923

1 Node Operators Reward 2015-09-17T22:27:37.257

1 Is it possible to search for an transaction to or from an address with a time period filter? 2015-10-05T11:35:56.593

1 A conflicting transaction has been detected in our memory pool. The transaction hash displayed below may change 2015-10-09T08:58:07.920

1 How smart property works on basic bitcoin blockchain? 2015-10-12T05:24:08.307

1 Reset bitcoin blockchain checkpoint to mine 0th block 2015-10-26T03:32:26.740

1 Bitcoin offline transaction 2015-11-12T22:08:14.187

1 What is the point of downloading the blockchain? 2015-11-21T14:45:16.610

1 Why pose limit on update ratio of network difficulty 2015-11-23T09:33:14.740

1 why is the blockchain necessary if bitcoins utilize cryptography 2015-11-26T21:26:43.653

1 If Blockchain miners weren't paid would there still be trust in all bitcoin transactions? 2015-11-30T03:58:20.343

1 Wallet didn't include fee, transaction stuck on unconfirmed 2015-12-02T13:46:08.697

1 Can I see a transaction sent to me if I haven't downloaded the whole blockchain? 2015-12-06T11:37:22.053

1 Bitcoins never showed up in wallet. Yet sender says transfer complete 2015-12-15T11:21:24.830

1 Retaining Ownership of an 'Approval' Indicator Coin 2015-12-17T00:02:32.663

1 Syncing node to usb 3.0 drive taking ages 2015-12-17T00:39:03.363

1 How to use MySQLFullPrunedBlockStore with bitcoinj-core-0.13-bundled.jar 2015-12-18T08:51:30.223

1 If Bitcoin time value is 4 bytes, is that Unix time from 1970? 2015-12-19T02:22:27.823

1 Understanding skip pointers in BlockIndex in bitcoin sources 2016-01-05T04:29:30.400

1 blockchain transactions dump file 2016-01-21T15:16:47.360

1 How long do files stay on the Decentralized Data Storage blockchain when using NXT's Data Cloud Feature? 2016-01-24T06:34:37.963

1 Bitcoin core stopped sync'ing (without downloading all the data). How can I make it resume the synchronization? 2016-01-26T03:55:51.760

1 What blockchain (or similar technologies) allow for "splitting" the network, offline? 2016-02-04T22:12:29.617

1 storing bitcoin's database directory on an external drive? 2016-02-05T16:39:53.523

1 Security within a deleting blockchain model 2016-02-10T20:18:02.220

1 How would an atomic exchange of assets be implemented in a blockchain? 2016-02-13T21:21:28.373

1 What makes blockchain technology so attractive to non cryptocurrency applications? 2016-02-17T04:27:02.603

1 Why does the "global lottery" prove the validity of the blockchain? 2016-02-18T21:01:21.540

1 How to determine the last 1k blocks and their Miner Software? 2016-02-26T18:29:20.397

1 Server requirements & optimal configuration for Testnet 2016-03-07T10:39:45.100

1 Simple version of blockchain? Blockchain for training 2016-03-08T12:43:46.733

1 Blockchain research 2016-03-08T14:07:41.993

1 When I pay, how is my balance checked, if I use different address every time? 2016-03-09T18:18:56.993

1 Where can I find a record of blockchain soft forks? 2016-03-29T16:30:11.997

1 Bitcoin adress security questions 2016-04-06T09:03:11.973

1 Finding forks in the blockchain 2016-04-16T19:20:17.777

1 Bitcoin boom and bust - Inherent instability of Bitcoin 2016-04-22T11:46:21.943

1 Height mismatch between bitcoin-qt and bitcoin explorers 2016-04-26T14:33:16.447

1 Who decides that the new block is ready to hash? 2016-04-28T00:02:34.433

1 Need help to understand where bitcoin transaction has gone 2016-05-16T07:00:37.903

1 Why do websites such as satoshimines and bustabit generate new addresses every time? 2016-05-28T16:12:09.157

1 What are some forks of Bitcoin that ultimately failed? 2016-06-07T21:26:21.550

1 Miners influence 2016-06-10T15:59:44.510

1 What's difference between Multichain, Chain, Hyperledger, Ethereum etc 2016-06-12T19:58:19.560

1 Is there any library to process scriptSig script in transaction, and other scripts? 2016-06-13T18:26:21.330

1 OP_RETURN custom message in testnet transaction 2016-06-16T06:39:21.520

1 Accessing Testnet 2016-06-16T10:04:16.093

1 Why Does Litecoin Transaction Show Zero Confirmations for last 3 hours 2016-06-22T06:27:25.283

1 Takes longer to download newer blocks? 2016-07-02T11:35:47.250

1 How a block is defined (size, number of transactions)? 2016-07-04T17:02:18.990

1 How can I extract the values of all UTXO for a specific section of the blockchain? 2016-07-08T09:31:25.873

1 Explanation about how to build network upon bitcoin blockchain 2016-07-27T08:13:59.490

1 Cannot check balance with blockchain.info API 2016-07-28T08:03:59.610

1 What exactly does the "fraud management system" of blockchain checks? 2016-07-30T00:38:33.103