Tag: transaction-verification

24 How are bitcoin transactions and the blockchain transferred over the internet? 2018-01-03T13:28:25.670

18 How do nodes verify Bitcoin Transactions? 2013-04-06T13:47:11.980

18 How is SegWit a soft fork? 2017-03-15T17:13:30.440

13 relationship between bitcoin miner and verification of transactions 2013-04-09T03:40:41.553

11 What are the advantages of Schnorr vs ECDSA? 2018-07-16T02:20:06.560

9 If Bitcoin transactions require ~10 min to clear, how can payments get recognized within seconds? 2015-01-18T01:50:37.627

8 Why is mining necessary for the Bitcoin network/system? 2013-04-28T16:41:59.760

8 Different error messages under "Mandatory script verify flag failed." 2016-11-28T19:15:41.037

8 Full list of "special cases" during Bitcoin Script execution (p2sh, p2wsh, etc.)? 2021-01-06T00:48:49.460

7 Is it possible to add a transaction input to a transaction in the mempool? 2014-03-12T19:18:43.510

7 Is the SPV client model scalable? 2015-05-11T14:31:25.240

7 Why is there no such thing as a redirected, forged, or fake transaction? 2020-04-28T07:15:53.843

6 What happens in detail, when Bitcoin Core verifies a block during synchronization? 2015-09-10T07:32:36.830

6 Does every full node verify every transaction TWO separate times? 2016-01-23T16:14:10.273

6 Transaction verification by miner VS full node with & without SegWit 2017-06-20T04:12:46.667

5 Do miners have to hold all the blocks in memory? 2013-05-21T19:10:57.077

5 Where the P2SH script gets written? 2016-02-17T23:49:04.270

5 What is an "insecure transaction type", as mentioned by Bitcoin Wallet for Android? 2016-03-16T11:17:47.057

5 Why do bigger blocks make it more expensive to run a full node? 2016-02-16T18:38:58.283

5 Can corrupted unspent transaction outputs list leading to higher than expected fee be seen as an actual threat? 2018-06-14T22:42:41.497

5 How are blocks verified? 2018-10-28T20:39:24.640

5 When the UTXO in the cache is full, what strategy is used to replace one UTXO with another in the cache? 2020-12-29T13:15:13.033

4 walletnotify and transaction malleability 2014-03-14T13:32:21.913

4 Transaction's maximum size 2014-05-12T17:17:14.830

4 Bitcoind transaction data verification 2014-10-27T23:23:02.960

4 How to calculate signature generation, signature verification, transaction verification speed? 2015-10-10T09:56:31.890

4 How do miners understand what a transaction does? 2016-07-06T11:41:25.650

4 How do I lookup the details of a transaction, given the transaction ID? 2017-12-12T22:06:01.563

4 How does Proof of Stake prevents dishonest behaviour compared to PoW? 2018-02-14T18:35:25.003

4 If I set assumevalid=0 after syncing the blockchain will Bitcoin Core go back and validate historical blocks? 2019-05-03T04:01:53.257

4 At what block height may locktimed transactions get included? 2019-12-18T19:54:46.733

4 How many bitcoin transactions can be verified per second on commodity hardware in 2020? 2020-04-18T09:34:34.203

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

3 How are transactions verified to ensure only the eligible person can spend a Bitcoin balance? 2013-05-29T13:46:52.977

3 Exhaustive technical explanation of signing & verification 2013-12-17T01:18:11.400

3 What if the execution time for an alt coin script exceeds the block time? 2014-03-12T05:00:10.540

3 Is there any way to send an output to a script which can then only be sent to one of two addresses? 2014-03-20T18:34:47.553

3 Why does the Bitcoin core client use so much CPU time while synching? 2014-08-23T21:18:54.913

3 Ethereum - how is the output of a contract computation verified? 2015-08-20T00:07:07.717

3 Verifying a bitcoin trx on the Unix cmd line with OpenSSL? 2016-07-10T10:51:37.380

3 How can I find the coinbase transactions where the bitcoins involved in a transaction were created? 2017-01-24T16:27:28.353

3 Error validating transaction using BLOCKCYPHER 2017-07-26T01:50:54.233

3 What if is there is no solution to a block? 2017-10-22T18:04:20.093

3 How it is possible to validate existing Pay to Public Key Hash transaction without public key? 2017-11-07T16:38:26.537

3 Bitcoin transaction fee calculator 2018-09-16T09:44:35.030

3 How to tell if a transaction is valid? 2019-10-20T16:26:44.283

3 How are transactions verified with only the Bitcoin address, not the public key? 2021-02-15T21:59:24.860

2 "Instantaneous" transaction verification? 2013-12-13T20:48:36.877

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

2 Cryptoissues? (stocks & bonds) 2013-12-18T05:20:44.747

2 Why aren't Bitcoin transactions processed and verified by normal Bitcoin clients? 2014-02-24T05:13:01.803

2 mtgox failure... any implications for bitcoin/ecurrency protocol design? 2014-03-06T17:10:18.147

2 Verification of transaction once trasaction is broadcasted 2014-03-11T07:53:01.913

2 When to check for confirmationsl 2014-03-17T02:15:00.813

2 How to validate raw transactions using bitcoind and/or bitcoin-cli (preferably offline)? 2014-04-04T15:32:59.543

2 Is it possible that someone forks the chain? 2014-07-22T22:31:22.687

2 How does the receiver of a transaction check the whole chain of ownership? 2014-09-01T05:36:51.497

2 I Want To Confirm That My Bitcoins Are Being Held In New Wallet 2015-10-12T01:54:27.030

2 Why do nodes trust other nodes to approve their transactions? 2016-02-17T12:32:31.307

2 Confirm own incoming transactions 2016-04-27T11:04:16.217

2 What information about a transaction can be assumed accurate before confirmation? 2016-10-21T13:29:40.240

2 Signing tx with OpenSSL, but fails when sending with bitcoin qt. How to debug? 2016-11-16T00:44:43.410

2 What counts as verification or validation of a transaction? 2016-11-16T17:23:15.837

2 How are past transactions validated (when there have been softforks)? 2016-11-22T15:27:42.973

2 Double spend a tx output already spent but unconfirmed because of low fee 2017-03-07T08:16:14.947

2 How can a miner verify that a UTXOs is not spent elsewhere? 2017-03-24T09:02:38.673

2 How confirm my own doublespend transaction got confirmed 2017-04-03T09:03:31.630

2 How does a non-upgraded node read a SegWit transaction? 2017-04-26T19:22:10.747

2 why verification of transaction after proof of work? 2017-05-28T07:27:05.953

2 When creating a transaction, how can you prove that you own your address without exposing your private key? 2017-06-07T20:23:04.213

2 Which kinds of transactions show quadratic signature-hashing scaling? 2017-06-08T05:04:20.097

2 How does CoinJoin affect the total transaction size? 2017-06-08T21:46:56.207

2 How are 'Not Mineable ' cryptos able to verify transactions? 2017-06-21T03:48:40.777

2 Transaction verification vs block mining 2017-08-02T14:14:18.930

2 Why can't someone create a valid digital signature without knowing your private key? 2017-11-09T04:29:54.730

2 How does the computational cost of verifying transactions scale with the number of total transactions? 2017-12-04T07:13:52.933

2 How Blockchain transaction verification takes place? 2017-12-07T15:23:00.960

2 Using the Merkle Root to prove the integrity of a block's transactions 2018-01-05T21:06:50.353

2 Does the version prefix of an address force the type of transactions the address may treat? 2018-01-08T06:16:08.210

2 Balance between minimum transaction fee and time using Electrum 3 2018-01-10T09:31:32.560

2 Signature verification in python using compressed public key 2018-03-20T11:53:59.890

2 Difference between transaction chain vs blockchain 2018-03-29T14:23:58.160

2 Bitcoin core verification keeps reseting 2018-04-20T10:39:18.403

2 Why this transaction is valid? 2018-04-27T07:39:47.793

2 Merkle Tree computations 2018-05-17T11:36:42.837

2 Transaction vaildation 2018-06-28T11:00:56.803

2 When a node receives a transaction, what steps does it do to verify that transaction? 2018-08-05T05:51:42.960

2 How can block time and block size be fixed when transaction volume is constantly increasing? 2019-02-14T19:24:27.013

2 Where is sum(vin) > sum(vout) check in Bitcoin Core? 2019-03-27T13:51:56.453

2 What does "Green address verification" mean in the context of transaction validation? 2019-06-12T08:15:56.413

2 How to prevent double spending Bitcoins? 2019-08-28T12:03:02.270

2 How does OP_CHECKSIG work 2019-08-29T11:42:11.037

2 Verifying a bitcoin Signature and what is the transaction data that is signed? 2019-09-05T12:56:26.390

2 Can attackers change transactions during a 51% attack? 2019-12-05T15:35:09.960

2 Transaction validation cost 2020-02-09T15:17:17.623

2 If two parties submit a conflicting transaction between each other, how does the network decide which one is correct? 2020-04-25T23:50:49.090

2 Basic question about transaction verification 2020-06-24T01:07:26.917

1 What happens to transaction once all the blocks are mined? 2013-05-28T16:14:07.443

1 Transaction verification 2013-10-04T05:45:13.837