Hottest Questions This Month

4 votes

1 answer

2k views

How is mining the exact same hash on every computer avoided?

tc71

11

modified May 19 at 15:10

8 votes

1 answer

822 views

How would faster blocks cause mining centralization?

mining-theory mining-profitability decentralization block-interval

Murch♦

62.5k

modified May 10 at 19:48

3 votes

2 answers

722 views

Is it common for mining effort to be lost?

transactions mining-theory

KateKoli

1

modified May 18 at 14:42

1 vote

2 answers

723 views

Can I transfer BTC from BTC (address) wallet to a Lightning (address) wallet?

address lightning-network

Pieter Wuille

82.8k

modified May 19 at 20:20

4 votes

1 answer

572 views

How did testnet transaction b6714e05dd014cc92de09271886e62d85e7d41dd44fad417c520eb51d57f94c0 validate?

transactions script

Marcel Krüger

176

answered May 1 at 7:50

2 votes

1 answer

461 views

Unable to verify Bitcoin 23.0 release due to developer keys being untrusted/uncertified [duplicate]

bitcoind verification pgp

Michael Folkson

9,365

modified Apr 29 at 9:15

2 votes

2 answers

397 views

There are a lot of 100 input transactions in some blocks, what's the reason?

transactions blockspace-market consolidation

Murch♦

62.5k

modified May 17 at 15:53

4 votes

1 answer

233 views

Is taproot considered nonstandard to older clients?

bitcoind mempool taproot p2tr

Murch♦

62.5k

modified Apr 27 at 19:39

1 vote

2 answers

66 views

Is there a way to broadcast a bitcoin transaction without internet access?

transactions broadcast

Murch♦

62.5k

modified May 5 at 21:18

3 votes

1 answer

130 views

Why isn't `OP_CHECKMULTISIG` compatible with batch verification of schnorr signatures?

multi-signature schnorr-signatures opcodes

CommunityBot

1

modified 2 days ago

1 vote

1 answer

157 views

What is OP_RETURN b9e11b6d?

coinbase-transaction op-return merged-mining

Murch♦

62.5k

modified Apr 29 at 19:48

2 votes

2 answers

106 views

How can a private key be imported to a descriptor wallet?

bitcoin-core wallet private-key-import output-script-descriptors

Murch♦

62.5k

modified 8 hours ago

1 vote

1 answer

170 views

Can I use the Bitcoin Core CLI to learn the block height at which a transaction was mined?

bitcoin-core json-rpc confirmations txindex

Murch♦

62.5k

modified May 16 at 15:26

1 vote

0 answers

309 views

crypto.com defiwallet sends bitcoin to random segwit address if a bitcoin taproot address is selected after confirmation of the correct address [closed]

segregated-witness address-generation taproot bech32-address

Murch♦

62.5k

modified May 17 at 20:52

1 vote

1 answer

111 views

Segwit includes the input amount in the SignatureHash. What possible attack can this prevent?

segregated-witness signature transaction-input sighash input

Andrew Chow♦

60.6k

answered May 19 at 15:26

4 votes

1 answer

67 views

Who is the creator of the secp256k1 standard?

secp256k1

Pieter Wuille

82.8k

answered May 5 at 13:05

-1 votes

1 answer

84 views

Does someone know how to recovery a private key

private-key armory lost-bitcoins recover-private-key

RedGrittyBrick

17.5k

modified May 8 at 8:03

1 vote

1 answer

96 views

mainnet wallet will refuse to dump privkeys

bitcoin-core wallet private-key-export output-script-descriptors

Andrew Chow♦

60.6k

answered yesterday

2 votes

1 answer

60 views

Probability of mining maximum of 3 block in next 20 minute

mining-theory proof-of-work

Pieter Wuille

82.8k

answered May 18 at 3:15

3 votes

1 answer

75 views

What does "Waste Metric" mean in the context of Coin Selection?

bitcoin-core-development blockspace-market coin-selection

Murch♦

62.5k

modified May 7 at 12:38

2 votes

1 answer

57 views

Can secp256k1 have different parameters and still be called secp256k1?

secp256k1

Murch♦

62.5k

modified May 5 at 16:16

2 votes

1 answer

63 views

Do any exchanges allow you to examine the bitcoin before you buy it?

buy-bitcoins mixing

haha97com

1

modified May 13 at 6:31

1 vote

2 answers

88 views

What stops someone from tampering with node software and hence would be able to disrupt the blockchain?

bitcoin-core bitcoind full-node

Remco

1

modified Apr 30 at 1:18

0 votes

2 answers

51 views

What is the difference between a 'hot' and 'cold' wallet

blockchain wallet private-key hash public-key

abellido

31

answered May 4 at 14:17

0 votes

2 answers

64 views

Why aren't more empty blocks mined?

mining-theory block

abellido

31

answered May 3 at 11:11

1 vote

1 answer

63 views

Dust threshold for Testnet

bitcoind address testnet dust address-format

Murch♦

62.5k

modified May 9 at 17:53

0 votes

1 answer

38 views

Repeating identical outputs in bitcoin transaction

transactions address hash utxo

Murch♦

62.5k

modified yesterday

1 vote

1 answer

35 views

How Does A Node Get Infomation From The TxID - that is, isn't the TxID the SHA^2(256) of various transaction components?

segregated-witness p2p transaction-id

Murch♦

62.5k

modified May 14 at 18:32

3 votes

1 answer

56 views

Taproot signing with PSBT: How to determine signing method?

taproot bip174-psbt p2tr

guggero

218

modified Apr 28 at 7:26

0 votes

2 answers

43 views

how to know the public address of a wallet that sent me funds (bitcoins), using python

transactions

Murch♦

62.5k

answered May 2 at 16:47

2 votes

2 answers

54 views

How do I switch a pruned node to "neutrino mode"?

bitcoin-core lightning-network pruning compact-client-side-block-filters

Murch♦

62.5k

modified May 10 at 1:26

0 votes

2 answers

42 views

How would one turn a Miniscript tree into a Taproot tree with Taproot'd Miniscript?

script bitcoin-core-development terminology taproot miniscript

Michael Folkson

9,365

modified May 18 at 16:46

2 votes

1 answer

51 views

Why 1D00FFFF and not 1CFFFFFF as target in genesis block

genesis-block difficulty-retargetting

Pieter Wuille

82.8k

modified May 8 at 21:18

0 votes

1 answer

39 views

How do transactions get into the mempool?

blockchain unconfirmed-transactions mempool

Vojtěch Strnad

1,878

answered May 16 at 22:39

0 votes

2 answers

63 views

Why Don't Nodes Download Blocks off the network directly instead of sending various messages to other nodes?

synchronization

Pieter Wuille

82.8k

answered Apr 30 at 15:24

3 votes

1 answer

63 views

Double Spend for small value transactions

doublespend

RedGrittyBrick

17.5k

answered May 5 at 9:38

0 votes

1 answer

49 views

What Are The Parts Of A Bitcoin Transaction In SegWit Format?

bitcoin-core transactions segregated-witness

RedGrittyBrick

17.5k

modified May 13 at 18:17

0 votes

1 answer

36 views

how can I get the fee percentage on buying or selling a specific amount of bitcoin at any time?

bitcoin-core transaction-fees blockchain.info api

rose1988

1

modified May 3 at 17:20

0 votes

1 answer

58 views

How can I send all coin from bitcoind in one command without being manually involved?

bitcoind sendtoaddress

Murch♦

62.5k

modified May 19 at 13:22

0 votes

1 answer

44 views

Can someone create a Bitcoin address that is identical to another except the last letter is lowercase where mine is capital

address-generation

Pieter Wuille

82.8k

modified May 1 at 12:56

3 votes

1 answer

44 views

Remove descriptor from a Bitcoin Core wallet

bitcoin-core wallet client bitcoin-cli output-script-descriptors

Andrew Chow♦

60.6k

answered May 8 at 15:56

0 votes

1 answer

56 views

In what format does a block store the transaction data?

transactions block serialization

Murch♦

62.5k

modified May 8 at 18:42

0 votes

1 answer

43 views

How Is The Genesis Block statically encoded into bitcoin client software?

bitcoin-core mining-theory 21-bitcoin-computer

RedGrittyBrick

17.5k

modified Apr 26 at 10:06

0 votes

1 answer

54 views

How can I create/provide crypto currency wallets to my users?

wallet exchanges api

Mike

1

modified May 18 at 10:39

0 votes

1 answer

42 views

What stage of the bitcoin protocol deals (or 'solves') the double-spend problem?

proof-of-work doublespend consensus

Murch♦

62.5k

modified May 15 at 22:32

1 vote

1 answer

52 views

Create individual wallet for each user

bitcoin-core wallet address currencies

Gerschel

21

answered Apr 29 at 20:23

1 vote

1 answer

52 views

Is it feasible to calculate EC private key k from public key K for very low values of k?

security private-key public-key ecdsa secp256k1

Mike D

3,145

answered May 15 at 13:21

1 vote

0 answers

63 views

Parsing bitcoin blockchain, get input (vin)

bitcoin-core blockchain python

Glorfindel

507

modified May 2 at 11:17

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