Hottest Questions This Month

16

votes

1

answer

3k

views

Why does hashing public keys not actually provide any quantum resistance?

public-key quantum-computing

modified Oct 16 at 0:44 Andrew Chow♦ 39.4k

10

votes

1

answer

1k

views

Will the size of Bitcoin core full-node be too big to run on a normal computer?

modified Oct 6 at 0:12 Raghav Sood 10k

2

votes

2

answers

1k

views

Transaction with highest fee, but stuck, what did I do wrong?

transactions transaction-fees unconfirmed-transactions electrum

modified 16 hours ago Murch♦ 36.9k

6

votes

2

answers

477

views

Most efficient way to store Segwit Address in a database

address segregated-witness bech32-address

modified Oct 2 at 8:07 The Assistant 1

6

votes

1

answer

309

views

Will Schnorr Multi-signatures completely replace ECDSA?

signature ecdsa theory bip schnorr-signatures

modified Oct 10 at 15:53 Ugam Kamat 4,520

7

votes

1

answer

536

views

How many paths are tried on average before a payment succeeds in Lightning?

lightning-network lightning-routing

answered Oct 10 at 21:42 Rene Pickhardt 5,760

3

votes

2

answers

232

views

Single tx included in two different blocks

transactions doublespend

answered Sep 26 at 9:16 Raghav Sood 10k

4

votes

1

answer

344

views

Should I verify the Bitcoin Core release signing keys?

bitcoin-core verification

modified Oct 14 at 10:58 Ugam Kamat 4,520

3

votes

3

answers

79

views

Don't miners control who is allowed to make transactions?

mining-pools mining-theory majority-attack china censorship-resistance

modified Oct 16 at 17:37 Murch♦ 36.9k

4

votes

1

answer

155

views

How fast can a LN payment be over TOR?

lightning-network tor

modified Sep 24 at 12:56 Tigerix 42

1

vote

2

answers

98

views

Blockchain Explorer says received but it's not received yet!

transactions blockchain blockexplorer receiving

modified Oct 11 at 10:24 RedGrittyBrick 4,157

2

votes

2

answers

149

views

Other database besides UTXO?

bitcoin-core transactions utxo utxo-set

modified 23 mins ago vincenzopalazzo 425

3

votes

1

answer

146

views

How does Lightning Network over TOR work?

lightning-network lightning-routing tor

modified Oct 2 at 17:39 Ugam Kamat 4,520

1

vote

1

answer

178

views

How to create a bitcoin transaction without inputs

transactions coinbase-transaction transaction-input

modified Oct 18 at 10:33 Raghav Sood 10k

5

votes

1

answer

84

views

How can I protect my funds in the event a quantum computer breaks the ECDLP that Bitcoin relies on?

security address-generation quantum-computing

modified Oct 17 at 20:20 chytrik 9,546

6

votes

2

answers

136

views

What is the oldest Bitcoin Core Client that can in theory sync to the chain tip?

bitcoin-core client network

answered Oct 12 at 0:16 Andrew Chow♦ 39.4k

1

vote

2

answers

109

views

I just compiled bitcoind and run for the first time. Do I already have a private key?

bitcoin-core wallet paper-wallet

modified Sep 25 at 18:53 Ben 185

1

vote

1

answer

138

views

A Blockchain that merges mining forks and could be more power-efficient? [on hold]

blockchain blockchain-fork proof-of-work alternatives

modified Oct 9 at 15:38 Oren 106

1

vote

1

answer

70

views

What happens if R is not revealed by one of Lightning Network nodes? (Payment cancelation)

lightning-network

answered Oct 7 at 22:07 Rene Pickhardt 5,760

-1

votes

3

answers

42

views

Why do I have to deposit BTC as missing turnover

verification deposit

modified Oct 15 at 19:21 Gašper Čefarin 68

3

votes

1

answer

93

views

Is it possible to generate an invoice for my lnd without having a connection to my lnd?

lightning-network-daemon

answered Oct 8 at 14:17 Rene Pickhardt 5,760

3

votes

3

answers

119

views

Can we shutdown a blockchain?

blockchain network nodes mempool peer-discovery

modified Oct 18 at 0:06 Saxtheowl 778

0

votes

2

answers

71

views

Can I buy bitcoin at a lower price? [on hold]

exchange-rate

answered Oct 8 at 18:27 Jess 21

-1

votes

1

answer

52

views

buying bitcoins with debit cards that are not mine

buy-bitcoins traceability bitcoin-credit-card debitcard

modified Oct 17 at 8:21 Debby_Tompkins 1

0

votes

2

answers

36

views

Who store seed phrases data

wallet private-key mnemonic-seed wallet-security data-security

answered Oct 14 at 15:09 RedGrittyBrick 4,157

2

votes

4

answers

71

views

What are some affordable options for running a full node?

bitcoind full-node cost-of-node-option

modified Oct 2 at 16:27 Murch♦ 36.9k

3

votes

1

answer

55

views

Clarification on execution of complex script with OP_CHECKLOCKTIMEVERIFY

bitcoin-core script checklocktimeverify

modified Oct 10 at 8:50 Ugam Kamat 4,520

0

votes

1

answer

53

views

Help recovering BitPay wallet Reward!

wallet-recovery passphrase bitpay

modified Oct 18 at 4:05 helpmefinancially 1

1

vote

2

answers

67

views

Can a blockchain's transactions be reversed?

security blockchain-fork consensus

modified Oct 15 at 22:52 chytrik 9,546

3

votes

1

answer

60

views

Fundamentals: Addresses don't hold coins, wallets do?

transactions blockchain wallet address utxo

modified Oct 2 at 9:46 Ugam Kamat 4,520

2

votes

2

answers

69

views

Is it possible to watch the chain to count the number of Lightning channels? [duplicate]

lightning-network ln-opening-channels

answered Oct 2 at 20:04 Simon 1

0

votes

1

answer

53

views

How can I move BTC wallet and funds from Block.io?

wallet block.io

modified Oct 2 at 1:37 Saxtheowl 778

0

votes

1

answer

41

views

Bitcoin i have been asked to send money for a private key [duplicate]

blockchain private-key verification deposit

modified Oct 14 at 19:53 Jay39 1

0

votes

2

answers

39

views

How Bitcoin dose find and verify UTXO ? is this efficient?

transactions utxo verification

modified Sep 24 at 8:48 RedGrittyBrick 4,157

2

votes

1

answer

62

views

How do I sign a transaction in Python?

python

modified Oct 18 at 16:15 eric 35

0

votes

1

answer

37

views

Is OP_RETURN dangerous for Bitcoin?

transactions private-key public-key attack op-return

answered Oct 15 at 11:44 Raghav Sood 10k

1

vote

1

answer

61

views

How to decode a coinbase transaction?

transactions blockchain coinbase-transaction

modified Sep 30 at 3:54 Ugam Kamat 4,520

1

vote

1

answer

42

views

What does a Bitcoin lightning private key look like?

private-key lightning-network paper-wallet

modified Oct 12 at 9:24 chytrik 9,546

2

votes

1

answer

69

views

how difficult is it to generating an ECDSA (or Schnorr) signature with a certain number of leading zeros?

signature message-signing schnorr-signatures

modified 2 days ago Andrew Chow♦ 39.4k

6

votes

0

answers

86

views

Can we construct a UTXO which is spendable only via proof of work?

transactions script proof-of-work

modified Oct 18 at 17:31 Ugam Kamat 4,520

0

votes

2

answers

50

views

Bitcoin purchased but not received into my wallet

lost-bitcoins lost-transactions

modified Sep 26 at 23:53 Poaloa lovis 1

1

vote

1

answer

50

views

Whose to stop the coinbase devs from just draining all accounts and running of with the money?

security exchanges coinbase.com traceability

modified Oct 15 at 19:41 Saxtheowl 778

1

vote

1

answer

49

views

Where can I find Armory 92.3 for download?

armory windows installation

modified Sep 29 at 21:28 Murch♦ 36.9k

1

vote

1

answer

49

views

In Python RPC Calls, How is vout Address Derived for P2PK transaction?

bitcoin-core python

modified Oct 11 at 15:40 eric 35

0

votes

1

answer

38

views

Is their any way to identify whether the miner is using renewable or non renewable energy for mining?

blockchain mining-hardware

modified Oct 1 at 23:30 Saxtheowl 778

1

vote

2

answers

38

views

How do more leading zeroes make it more difficult to find a block?

mining-theory hash difficulty

modified Oct 7 at 18:08 Murch♦ 36.9k

4

votes

1

answer

37

views

What are the downsides of Hodl Invoices?

lightning-network lightning-network-daemon lightning-routing

modified 24 mins ago Ugam Kamat 4,520

0

votes

2

answers

47

views

Difference between Sign Message and Sign Transaction

signature ecdsa message-signing blockcypher

modified Oct 9 at 7:46 remv 1

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