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Top Questions

4 votes
1 answer
2k views

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

8 votes
1 answer
822 views

How would faster blocks cause mining centralization?

3 votes
2 answers
722 views

Is it common for mining effort to be lost?

1 vote
2 answers
723 views

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

4 votes
1 answer
572 views

How did testnet transaction b6714e05dd014cc92de09271886e62d85e7d41dd44fad417c520eb51d57f94c0 validate?

2 votes
1 answer
461 views

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

2 votes
2 answers
397 views

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

4 votes
1 answer
233 views

Is taproot considered nonstandard to older clients?

1 vote
2 answers
66 views

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

3 votes
1 answer
130 views

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

1 vote
1 answer
157 views

What is OP_RETURN b9e11b6d?

2 votes
2 answers
106 views

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

1 vote
1 answer
170 views

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

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]

1 vote
1 answer
111 views

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

4 votes
1 answer
67 views

Who is the creator of the secp256k1 standard?

-1 votes
1 answer
84 views

Does someone know how to recovery a private key

1 vote
1 answer
96 views

mainnet wallet will refuse to dump privkeys

2 votes
1 answer
60 views

Probability of mining maximum of 3 block in next 20 minute

3 votes
1 answer
75 views

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

2 votes
1 answer
57 views

Can secp256k1 have different parameters and still be called secp256k1?

2 votes
1 answer
63 views

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

1 vote
2 answers
88 views

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

0 votes
2 answers
51 views

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

0 votes
2 answers
64 views

Why aren't more empty blocks mined?

1 vote
1 answer
63 views

Dust threshold for Testnet

0 votes
1 answer
38 views

Repeating identical outputs in bitcoin transaction

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?

3 votes
1 answer
56 views

Taproot signing with PSBT: How to determine signing method?

0 votes
2 answers
43 views

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

2 votes
2 answers
54 views

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

0 votes
2 answers
42 views

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

2 votes
1 answer
51 views

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

0 votes
1 answer
39 views

How do transactions get into the mempool?

0 votes
2 answers
63 views

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

3 votes
1 answer
63 views

Double Spend for small value transactions

0 votes
1 answer
49 views

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

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?

0 votes
1 answer
58 views

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

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

3 votes
1 answer
44 views

Remove descriptor from a Bitcoin Core wallet

0 votes
1 answer
56 views

In what format does a block store the transaction data?

0 votes
1 answer
43 views

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

0 votes
1 answer
54 views

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

0 votes
1 answer
42 views

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

1 vote
1 answer
52 views

Create individual wallet for each user

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?

1 vote
0 answers
63 views

Parsing bitcoin blockchain, get input (vin)


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