Hottest Questions This Month

2

votes

3

answers

1k

views

Can a miner just introduce a block full of valid predetermined transactions in the blockchain and get rewarded?

modified Jan 19 at 0:37 Murch♦ 42.3k

3

votes

2

answers

551

views

What happens with the bitcoin locked in the payment channel if both sides lose the backup?

lightning-network

modified Jan 9 at 9:07 chytrik 10.8k

3

votes

1

answer

335

views

Will cryptocurrencies that have a finite supply (like 21m btc) cause deflation?

economics deflation

modified Jan 14 at 4:08 Ugam Kamat 5,713

5

votes

3

answers

148

views

How is the size of a bitcoin transaction calculated

transaction-fees transaction-size

modified yesterday Septem151 370

1

vote

2

answers

210

views

What are the DER signature and SEC format

public-key signature encoding

modified Jan 6 at 19:25 Murch♦ 42.3k

3

votes

2

answers

250

views

A security need for Bitcoin to fork to quantum resistant algorithm in a few years?

private-key hash encryption quantum-computing

answered yesterday Xtinci0n 1

3

votes

1

answer

124

views

Understanding the bitwise left shift logic on determining nSubsidy

reward-schedule nsubsidy binary

answered Dec 30 '19 at 3:54 Raghav Sood 12.1k

4

votes

1

answer

178

views

How many possible addresses per bitcoin private key?

address private-key address-generation

answered Jan 21 at 4:28 Ugam Kamat 5,713

2

votes

2

answers

80

views

What is a good approach to learning the Bitcoin codebase?

source-code

answered Dec 30 '19 at 17:21 Andrew Chow♦ 41.9k

4

votes

1

answer

123

views

How is OP_CHECKTEMPLATEVERIFY a scaling solution

script p2sh

modified Jan 11 at 0:00 Confused_Coder 156

2

votes

1

answer

92

views

RSA accumulator vs Merkle Proofs

merkle-tree spv

modified Dec 28 '19 at 19:08 Pieter Wuille 55.2k

1

vote

1

answer

131

views

Paper wallet safety

wallet paper-wallet

answered Jan 20 at 13:33 Raghav Sood 12.1k

1

vote

3

answers

72

views

How to subtract two points on an elliptic curve?

private-key public-key ecdsa secp256k1 shared

modified Jan 16 at 18:17 sfmiller940 121

0

votes

1

answer

30

views

What does mBtc mean [duplicate]

terminology divisibility

modified Dec 31 '19 at 19:42 Murch♦ 42.3k

0

votes

2

answers

48

views

How can I know which user made which BTC transaction?

api bip-32-hd-wallets deposit

modified Jan 22 at 21:52 Raghav Sood 12.1k

0

votes

2

answers

58

views

Is it possible to mine bitcoins faster on CPUs with this strategy?

mining-theory

answered Jan 4 at 7:16 Pieter Wuille 55.2k

0

votes

0

answers

116

views

Not seeing deposit transaction in Electrum from BTCPayServer after invoice has been paid

electrum payment-processors

asked Jan 1 at 8:51 chovy 131

0

votes

1

answer

39

views

How do miners communicate in Bitcoin/ Decentralized Network?

blockchain miner-configuration consensus decentralization

answered Jan 22 at 16:09 Murch♦ 42.3k

-1

votes

3

answers

46

views

How can i convert my euro in BTC the fastest way [closed]

buy-bitcoins

answered Jan 5 at 16:22 djmcg 11

1

vote

1

answer

59

views

Why keys generated in Bitcoin Core mismatch that from online generators despite using the same seed?

bitcoin-core bip-32-hd-wallets bitcoin-cli regtest

modified Jan 8 at 5:40 Ugam Kamat 5,713

0

votes

3

answers

55

views

How to restore my Bitcoin Core wallet from seed phrase

wallet seed passphrase

answered Jan 14 at 17:33 streamofstars 46

0

votes

2

answers

51

views

I want to transfer my bitcoin but i cannot

transactions

modified Jan 7 at 11:45 RedGrittyBrick 5,025

0

votes

2

answers

82

views

Stratum protocol - problem with implementation in python

mining-pools stratum

answered Jan 8 at 17:46 kapitanmick 1

2

votes

2

answers

30

views

c-lightning node backup-restore

c-lightning lightning-nodes

answered Jan 14 at 16:40 darosior 96

0

votes

2

answers

30

views

How to parse transaction script to address the correct way?

bitcoin-core transactions

modified 2 days ago Mark H 2,198

2

votes

1

answer

49

views

Is there a 'command' to get the max supply of bitcoin that will ever exist using the bitcoin-cli?

bitcoin-core bitcoind bitcoincore-development

answered Jan 3 at 0:20 Alistair Mann 562

4

votes

2

answers

49

views

Can failed Transactions figure out which Channel is exhausted?

lightning-network privacy balance

modified Jan 20 at 9:19 Ugam Kamat 5,713

1

vote

3

answers

38

views

How are UTXO forwarded to other addresses?

transactions address utxo spending outpoint

answered Jan 15 at 21:09 chytrik 10.8k

0

votes

1

answer

47

views

Signmessagewithprivkey result is different than txinwitness

transactions segregated-witness signature

answered Jan 21 at 13:46 Coding Enthusiast 655

1

vote

1

answer

35

views

Why is 'p2pkh:' prepended at the beginning of private key addresses in electrum?

wallet private-key electrum p2pkh

modified Jan 6 at 2:58 Raghav Sood 12.1k

1

vote

2

answers

55

views

Calculate transaction fee for external addresses which doesn't belong to my local bitcoin-core server?

bitcoin-core transactions address transaction-fees

answered Dec 31 '19 at 23:10 Septem151 370

0

votes

2

answers

53

views

How to withdraw or transfer to bank account [closed]

withdrawal money-transfer paypal

answered Jan 4 at 22:42 MountainMan 111

1

vote

1

answer

41

views

Simple, default, “hello world” smart contract for an auction? (winner wins, all the rest gets refunded)

smartcontracts

answered Jan 7 at 4:07 chytrik 10.8k

1

vote

1

answer

40

views

What is the length of largest known reorganization in bitcoin?

bitcoin-core chain-reorganization

modified 4 hours ago Ugam Kamat 5,713

0

votes

1

answer

31

views

If I were executing a 51% attack, would I be broadcasting my state of the network to nodes?

mining-pools mining-theory mining-hardware doublespend attack

answered Jan 2 at 19:07 Nate Eldredge 21.6k

2

votes

1

answer

31

views

Why was the bip32 fingerprint used for bip174 psbt?

bip-32-hd-wallets bip174-psbt

answered Jan 16 at 17:10 Andrew Chow♦ 41.9k

0

votes

1

answer

51

views

why is the number of confirmations rising yet i haven't been credited with the bitcoins?

confirmations

answered Jan 12 at 23:22 chytrik 10.8k

0

votes

1

answer

65

views

Bitcoins gone missing in Blockchain Wallet

blockchain.info

modified Jan 14 at 21:28 d268637 1

0

votes

1

answer

39

views

What is the 'tlv_payload' in lnd route?

bitcoin-core lightning-network lightning-network-daemon

answered Jan 3 at 22:46 Mark H 2,198

1

vote

1

answer

39

views

What goes in the tx hash preimage when signing with 0x83 (SINGLE|ANYONECANPAY)?

signature sighash-flags bip143

answered Jan 7 at 17:21 pinhead 2,451

0

votes

1

answer

39

views

Access coins stored at Cryptobridge?

exchanges decentralized-exchanges

modified Jan 18 at 0:21 RedGrittyBrick 5,025

1

vote

1

answer

28

views

If I am on a fork, can the reindex parameter fix this?

bitcoind client blockchain-fork sidechains reindex

answered Jan 21 at 21:31 Andrew Chow♦ 41.9k

0

votes

1

answer

45

views

How to add an address to a CheckLockTimeValue (CLTV) transaction output using bitcore-lib (or any other js lib)

bitcoincore-development checklocktimeverify

answered Jan 13 at 19:15 Pieter Wuille 55.2k

1

vote

1

answer

35

views

Transaction malleability in Testnet

transactions mempool transaction-malleability

modified Jan 16 at 16:45 Andrew Chow♦ 41.9k

0

votes

2

answers

44

views

Where and when should the coinbase transaction(including the miner key) be added?

unconfirmed-transactions coinbase-transaction

modified Jan 5 at 22:15 chytrik 10.8k

1

vote

2

answers

34

views

Passing incomplete information to an SPV node

spv

modified Dec 28 '19 at 17:59 Murch♦ 42.3k

2

votes

1

answer

56

views

Estimated Fees in BCOIN

api bcoin fee-estimation

answered Jan 5 at 16:23 Mario Mazzola 41

1

vote

1

answer

33

views

Testnet addresses fail in explorers

testnet bip44 blockcypher

answered Jan 9 at 9:27 guggero 126

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