Hottest Questions This Month

1

vote

1

answer

515

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Gap Limit, is always a problem possible to fix?

hd-wallet payment-processors

modified yesterday Dharmendra singh 1

2

votes

2

answers

420

views

What is a txn? How can it be invalid?

nodes terminology

answered 6 hours ago Acccumulation 186

3

votes

1

answer

277

views

How relative can be “Blockchain” and “Social Network Applications”?

blockchain blockchain-use-cases permissioned-blockchain permission-less-blockchain

modified May 29 at 10:52 Ugam Kamat 2,104

3

votes

1

answer

143

views

What are the 3 arguments called in function SHA256?

cryptography sha256 c-lightning

answered May 31 at 9:08 Rene Pickhardt 4,301

3

votes

1

answer

183

views

How bitcoin nodes update UTXO set when their latests blocks are replaced?

blockchain-fork utxo utxo-set

answered May 26 at 17:47 Pieter Wuille 49.7k

2

votes

1

answer

354

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Are vanity addresses Vanitygen generated really safe to use?

wallet-security vanity-address vanitygen

modified 20 hours ago Константин Ван 143

2

votes

1

answer

123

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Why do we need to chain the blocks (creating blockchain) in a permissioned blockchain?

blockchain proof-of-work terminology proof-of-stake hyperledger

modified May 23 at 8:40 Questioner 498

2

votes

1

answer

90

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Is there a reason to why Bitcoin Core does not implement BIP39?

bitcoin-core client mnemonic-seed bip

modified Jun 8 at 15:04 Andrew Chow♦ 35.9k

2

votes

1

answer

124

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What does it mean if TXID and WTXID are the same?

bitcoin-core bitcoind client segregated-witness

answered Jun 14 at 3:33 Andrew Chow♦ 35.9k

6

votes

1

answer

38

views

Why does getheaders P2P API return more than getblocks?

bitcoin-core bitcoind protocol

modified Jun 4 at 3:47 choibaisunwin 1

1

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3

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87

views

What is a bitcoin incoming transaction with value = 0.00000546?

blockchain blockchain.info block

answered May 31 at 6:58 Rozwrcd 7

0

votes

2

answers

30

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Bitcoin transactions validation process

bitcoin-core blockchain mining-theory transaction-verification

answered May 30 at 4:59 chytrik 8,344

4

votes

1

answer

47

views

How can I make transaction output time locked?

locktime checklocktimeverify

modified Jun 7 at 17:19 Ugam Kamat 2,104

2

votes

2

answers

47

views

What if bitcoin has a bug?

bitcoin-core

answered Jun 16 at 15:10 RedGrittyBrick 3,199

2

votes

1

answer

77

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Is there a flag or specific message in a bitcoin pcap to show us our bitcoin transaction is confirmed or not?

transactions wallet utxo-set packets

modified Jun 8 at 9:45 chytrik 8,344

2

votes

1

answer

93

views

Does Lightning Network has concept of continuous stream of value?

lightning-network micropaymentchannels channels

modified Jun 5 at 19:46 Mars Robertson 199

1

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3

answers

49

views

What is the order in which UTXOs are sorted in a block?

blockchain utxo

answered Jun 7 at 8:59 Murch♦ 35.6k

0

votes

1

answer

38

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invoice amount is 1200000 but I paid 1201035. What is 1035?

lightning-network lightning-network-daemon c-lightning

modified Jun 12 at 12:48 zono 919

1

vote

1

answer

96

views

How to calculate the size of multisig transaction?

multi-sig-transactions multi-sig transaction-size

modified Jun 8 at 9:55 Ugam Kamat 2,104

0

votes

1

answer

21

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can you use blockchain.info instead of hosting bitcoind for a website

blockchain api

answered Jun 16 at 8:35 Raghav Sood 8,146

2

votes

1

answer

93

views

+100

Recovery of a corrupted wallet

wallet wallet-recovery wallet.dat database

answered Jun 14 at 14:03 Andrew Chow♦ 35.9k

3

votes

1

answer

54

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What is the rationale for inclusion of previous amount in SegWit signing process?

transactions segregated-witness signature

answered May 31 at 9:57 Ugam Kamat 2,104

0

votes

2

answers

68

views

Where can I get bigger amount of test BTC?

testnet testing faucets

answered May 23 at 11:20 Alistair Mann 333

1

vote

1

answer

40

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Concept of Block weight and segwit are still unclear

blockchain segregated-witness blocksize block-weight witness-data

modified May 25 at 11:45 Wapac 648

2

votes

1

answer

50

views

Why is a privacy problem to pay always to the same address?

privacy address-reuse

modified Jun 9 at 9:11 Andrew Chow♦ 35.9k

2

votes

3

answers

58

views

Why can't an intermediary Lightning node take (nearly) all fees?

lightning-network lightning-routing

answered Jun 11 at 13:27 Sergei Tikhomirov 777

1

vote

1

answer

53

views

bitcoind connection refused error with curl

bitcoind

answered May 26 at 2:15 Daniel McNally 72

3

votes

1

answer

52

views

ECDSA - why not using the cyclic additive group

cryptography ecdsa theory

answered May 26 at 15:01 Nate Eldredge 20.6k

1

vote

2

answers

30

views

Are nodes that don't accept inbound connections necessarily leechers?

connection

answered Jun 4 at 2:28 G. Maxwell 5,699

2

votes

1

answer

38

views

Is signature/private-key required to accept payment over Lightning Network?

private-key lightning-network payment invoices

modified Jun 7 at 9:00 Murch♦ 35.6k

0

votes

0

answers

80

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cant send btc, Uneconomical UTXO requested

transactions wallet transaction-fees bitcoin-wallet-app

modified Jun 6 at 4:14 Community♦ 1

0

votes

1

answer

48

views

Needing a Private Key in order to receive profits in Blockchain Wallet

transactions

modified Jun 3 at 21:34 RedGrittyBrick 3,199

1

vote

2

answers

79

views

Unable to bind any endpoint for RPC server

bitcoin-core json-rpc nodes bitcoin.conf

answered Jun 15 at 19:43 Chan-Ho Suh 101

0

votes

1

answer

78

views

Trying to access an old wallet.dat

wallet

answered Jun 1 at 0:20 ClearHandle 1

2

votes

1

answer

47

views

Genesis block coinbase transaction without confirmations

protocol confirmations genesis-block

modified May 27 at 20:04 user1710825 113

-1

votes

2

answers

77

views

Bitcoin goes Zero? [closed]

price-volatility

modified Jun 5 at 16:26 Tim 125

0

votes

1

answer

35

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Confused on using SHA256 code from Bitcoin Core

bitcoin-core cryptography sha256

modified Jun 4 at 12:43 MCCCS 5,202

0

votes

1

answer

34

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Bitcoin Core mempool after disconnecting a block

blockchain-fork orphaned-blocks

modified May 27 at 23:11 sr-gi 2,125

1

vote

1

answer

43

views

How to generate an output address from output scrips which start with 0x00?

transactions bitcoin-core blockchain script witness-data

answered May 21 at 15:32 Ugam Kamat 2,104

4

votes

1

answer

33

views

Why doesn't Lightning have DNS bootstrapping?

lightning-network peer-discovery

modified Jun 11 at 14:06 Murch♦ 35.6k

0

votes

1

answer

69

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BOLT #3: Shouldn't timeout be included in the script of “Offered HTLC Outputs” for the local node?

lightning-network hash-time-locked-contract lightning-rfc

modified Jun 5 at 16:54 Ugam Kamat 2,104

0

votes

2

answers

32

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Transaction fee of 8.44 mBTC for 1.22 mBTC?

transactions electrum

answered 2 days ago MCCCS 5,202

3

votes

1

answer

41

views

How many nodes is too many?

security nodes nodecount

answered Jun 10 at 18:43 Mario Medina 31

0

votes

2

answers

30

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Missing transaction

transactions blockchain lost-bitcoins lost-transactions

modified yesterday RedGrittyBrick 3,199

0

votes

2

answers

38

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Bitcoin transaction query

blockchain blockchain-wallet-app

answered May 21 at 11:12 RedGrittyBrick 3,199

2

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1

answer

62

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Accepting micropayment donations via Lightning Network - what is the most efficient / recommended architecture?

lightning-network micropaymentchannels micropayments architecture donation

answered Jun 4 at 14:43 Mars Robertson 199

0

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2

answers

36

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which is the relationship between ouput adresses and their value in a specific transaction?

transactions address value bech32-address

modified Jun 2 at 7:14 Saeed 45

0

votes

1

answer

28

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Upgrading Fees in Bitcoin Trading

fraud

modified Jun 16 at 19:58 crypto miner 1

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