Category : Bitcoin Stack Exchange

Bitcoin Stack Exchange

What are the trust assumptions in --assumed-valid in bitcoin core 0.14?

Q1) What are the possible attacks (even though completely theoretical) which are possible in case 2 but not in case 1. Please elaborate security-model change required to shift from Case 1 to Case 2. None. If there happens to be a fork that makes...

How to get raw block data?

Is it possible to calculate a public key from the message hash and signature?

UAHF implementing sighash, specifically, how are scriptCodes serialized? [closed]

Why is the bytestring 0xaa21a9ed used as the witness commitment header in SegWit?

Is there a transaction propagation delay built in?

How we decode output address from Bitcoin genesis transaction

How to setup USB Cold Storage for Bitcoin and Monero?

Neither currencies nor coins are stored anywhere but at addresses out on the blockchain. You may be talking about the secrets that give authority to send / spend those assets? Seed Recovery phrases, passwords, PIN codes, private keys, master extende...

Is it possible to shorten the blockchain?

It is a thing that can be done, but it requires trust. Any user may, at any time, confirm the chain they have is a legitimate chain by starting from the genesis block. They merely need to crank through a few gigabytes of data and hash it all. Oka...

What is the required input for python-bitcoinlib getrawtransaction command?

I am running a bitcoin node on my machine, fully synced with RPC commands enabled, rpc server live and txindex=1. In the command-line I can run the following RPC call and obtain the information about the transaction I require. I am...

With the current hashrate, how does it still take 10min to solve a bitcoin block?

Set fee in Electrum RPC

Byzantine fault-tolerant consensus - Why 33% threshold

My bitcoin address and name

Creating a BTC Gateway with ATM Network

How were the secp256k1 base point coordinates decided?

How can I accelerate confirmations in ledger nano s?

Double spending on testnet or regtest?

i need help getting my bitcoin back from an address

i need help getting my bitcoin back from an address [closed]

how to import my wallet from blockchain.info into bitcoin-qt?

I have read the related discussions about how to import a wallet and though they are close, the answers does not help with this problem so I'm asking it here and now. I have my bitcoin public address which was given to me by blockc...

(RBF) double spend transaction not showing up in searches

manually signing bitcoin transaction

Payment not received

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