2 How do we verify the signature on a raw transaction using Bitcoinj? 2015-01-07T15:08:08.553

2 For what purposes do we need "Sign message"? 2015-01-16T14:26:56.940

2 How to create the <sig> <PubK> part in "scriptSig"? 2015-03-30T12:28:22.630

2 Signature: encoding a message - transaction to a point of curve y^2=x^3+7 and Bitcoin Core 2015-05-07T16:18:50.460

2 How to check if raw transaction is signed? 2015-05-09T18:00:52.930

2 Is it possible to get the public key from a transaction input that is a 'pay to public key' output? 2016-01-22T19:24:00.990

2 Can't find correct z1 & z2 for transaction 2016-05-09T05:18:54.823

2 How can I sign transaction hex with Python library 2016-07-26T14:59:48.507

2 Can you "undo" an nlockTime transaction by spending a single UTXO of it before lockTime's block happens? 2016-08-14T08:15:47.147

2 Why are SIGHASH flags signed as 4 bytes when only 1 byte is included in the transaction? 2016-08-18T17:02:10.493

2 Calculating Z value in a tx with 1 input and 2 outputs 2016-10-31T08:22:13.013

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

2 Handling negative "s" values for signatures? 2017-01-26T23:21:28.923

2 Proving sendership of transactions 2017-04-22T01:41:44.787

2 What happens to Private Key on Payment 2017-05-23T11:54:27.083

2 What does "16: mandatory-script-verify-flag-failed (Non-canonical DER signature)" error mean? 2017-08-16T21:11:16.287

2 manually signing bitcoin transaction 2017-08-24T11:29:08.640

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

2 Why is scriptSig filled with scriptPubKey before signing a transaction? 2017-11-26T22:21:51.210

2 Verifying a legitimate version of bitaddress.org on Windows 2017-11-29T06:58:16.520

2 Who witnesses a Segregated Witness transaction and what incentive do they have to witness the extended block containing signatures? 2017-12-19T21:00:59.550

2 Why does P2SH-P2WPKH use DER encoded signatures? 2018-01-04T19:43:09.923

2 Can I use uncompressed public keys in Bitcoin Cash transactions? 2018-02-23T11:25:06.987

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

2 Why is the signature hash different for each input in a multi-input transaction? 2018-04-13T03:08:19.950

2 Why do we need public key as part of Witness in P2WPKH transactions? 2018-05-19T11:56:45.880

2 NBitcoin get signature, use spending P2SH transaction with non-standard script 2018-12-06T23:53:45.303

2 How to determine first byte (recovery ID) for signatures (message signing)? 2018-12-19T11:06:30.363

2 Bitcoin ECDSA signature in the compact format 2018-12-24T17:39:04.930

2 Would signature aggregation reduce the largest feasible blocksize 2019-02-01T15:04:08.470

2 Why is the Schnorr verification formula working and actually verifying the validity of a signature? 2019-03-10T20:25:34.560

2 How can my private key be revealed if I use the same nonce while generating the signature? 2019-03-26T16:41:39.400

2 Script and DER in P2PKH 2019-04-08T08:58:03.853

2 Why is a library's signature of a segwit tx different from Bitcoin Core signature? 2019-06-28T14:28:51.407

2 I tried to recover the public key from the signature, but I failed 2019-07-29T05:15:42.027

2 How to calculate p2wsh signature? 2019-07-29T08:54:50.060

2 how difficult is it to generating an ECDSA (or Schnorr) signature with a certain number of leading zeros? 2019-10-18T18:15:55.760

2 How to Validate Signature with SigScript length 8b? 2019-10-22T05:22:21.237

2 Bitcoin and encryption 2019-11-15T16:55:04.063

1 How can I verify the the PGP signature of bitaddress.org? 2013-04-04T08:50:37.120

1 Bitcoin Qt message signature construction 2014-03-04T10:11:18.947

1 Can I sign and redeem many outputs at the same time? (shrink the size of a tx Input) 2014-03-09T03:06:26.310

1 Bitcoind need blockchain to sign transaction 2014-03-18T23:51:08.120

1 signing colored assets to identify worthwhile assets 2014-05-12T20:56:37.660

1 Is it possible to create a transaction with 2txin and 2txout? 2014-07-30T07:54:35.157

1 Why would sending a raw transaction from a different node fail? 2014-11-07T16:32:29.370

1 Double Counting SigOps to Prevent CPU Exhaustion Attacks 2014-12-30T23:37:01.800

1 How to extract the signature of a transaction using bitcoinj 2015-02-23T17:18:39.703

1 How do I get hash to verify transaction? 2015-02-27T17:47:51.050

1 blockchain checksig fail 2015-05-19T14:11:01.540

1 same R value is used for two different addresses? finding z1 and z2 value and privatekey 2015-05-31T03:49:39.213

1 Two identical R value finding z value from two transaction 2015-05-31T04:21:13.340

1 Same identical R value of all transaction not provide corresponding privatekey 2015-06-02T11:12:17.050

1 Can you include a signature in a bitcoin payment? 2015-07-26T14:55:08.353

1 OP_CHECKSIG signature hash type 0 2015-08-05T10:48:17.260

1 OP_EQUALVERIFY Problem 2015-09-15T16:01:41.553

1 (CHECKSIG) Why is the ScriptPubKey from tx-inputs part of the signature? 2015-09-17T13:11:53.613

1 How does ripple verify the signature? 2015-11-17T07:20:42.010

1 Why can't a transaction be redirected after it is signed? 2015-12-13T22:40:54.623

1 How sign the first transaction's signature? 2016-08-14T20:00:00.127

1 '01' at the end of signatures 2016-08-20T15:11:17.383

1 Generate and push raw Bitcoin transaction 2016-09-02T11:19:10.873

1 How to manually verify a signature given scriptSig and scriptPubKey? 2016-10-11T16:52:04.643

1 Sending transaction with Python + raw protocol 2017-01-02T12:16:04.940

1 Why transaction is signed with locking script from the input transaction? 2017-01-04T23:48:12.310

1 Complex Transaction Signing? 2017-02-08T09:24:04.307

1 Privacy risks with a hardware wallet 2017-03-02T17:06:37.000

1 ScriptSig field during P2PKH transaction signature 2017-05-05T17:19:56.157

1 How does the transaction signature prevent transaction duplication? 2017-07-04T10:46:23.887

1 Is the HashOfThingToSign (used in signature generation) the same for each input of a transaction or is it different for each input of a transaction? 2017-08-08T02:01:56.920

1 If newer versions of bitcoin and or bitcoin cash don't allow 0x04 uncompressed public keys, what do you do if you have an address based on one? 2017-08-17T02:17:03.950

1 What are the unnamed parts of the segwit/bitcoin cash raw tx shown and how do I get them as shown? 2017-08-17T23:14:05.180

1 Proof of address ownership 2017-08-28T06:18:44.730

1 When user 'A' creates a transaction using scriptpubkey, do they also sign a message with their private key? 2017-09-09T14:52:57.623

1 Sign a tx with "low s" value using OpenSSL 2017-09-21T17:38:49.177

1 How transaction becomes confirmed by miners if InputScript has only the Sig 2017-09-28T00:15:29.593

1 Signature scheme for P2SH 2017-10-09T16:29:16.203

1 Where is SIGHASH_TYPE serialized in SegWit? 2017-11-01T03:04:22.933

1 How many signatures are there in one non-multisig transaction 2017-11-13T10:46:55.673

1 How can I verify the PGP signature of https://liteaddress.org on Windows? 2017-12-05T18:40:11.563

1 Signing transaction with SSL - private key to PEM 2017-12-26T16:00:32.527

1 aggregated signatures for combining payments over a low bandwidth mesh network 2018-01-06T07:41:29.400

1 How can I fix this: (Non-canonical signature: S value is unnecessarily high) 2018-01-11T18:20:59.527

1 Understanding BIP 143 [hash computation, lockTime, sequence number, witness format] 2018-01-23T02:11:51.910

1 Error when sending rawtransaction 2018-03-09T08:56:52.770

1 Public key cryptography question - Is Private or Public key used to sign? Confusion between which key is used to sign and which is used to encrypt 2018-05-02T13:35:35.983

1 Can you use Schnorr to sign inputs individually? 2018-06-02T19:36:57.223

1 How does a Doge public key is created from a private key? 2018-08-23T13:37:32.800

1 How OP_CHECKSIG knows the source of sig in pay to pubkey hash transaction 2018-08-30T12:56:52.037

1 What happens if I use same k twice in DSA algorithm? 2018-08-31T06:47:14.247

1 For a transaction with a single input and output, is there a difference between SIGHASH_ALL and SIGHASH_SINGLE|SIGHASH_ANYONECANPAY 2018-09-01T23:18:32.123

1 P2PKH - Sharing a wallet address does not reveal my pub key? 2018-09-04T19:12:15.910

1 Transaction Malleability, if i want to change signature, what part should I change, so that it would remain valid? 2018-10-05T09:02:31.583

1 What happens when the verification of a manipulated transaction fail? 2018-11-13T01:52:51.127

1 tiny-secp256k1 and ECDSA signing determinism 2019-01-18T16:51:42.170

1 Nonce usage in ECDSA signing algorithm 2019-01-28T18:23:19.430

1 which was the purpose of changing the signature of a TX? or it was just a bug before segwit? 2019-01-30T04:43:50.660

1 Why hash witness script instead of pubkey script in signature? 2019-02-20T17:02:15.770

1 How can you calculate the inverse of S component of signature, while you cannot do it in ECC to calculate private key from public key? 2019-03-07T14:03:12.300