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While learning Bitcoin transactions and SegWit, I came across the distinction between the traditional transaction ID (txid) and the witness transaction ID (wtxid). I understand that the txid is the double-SHA256 hash of the serialized transaction excluding the witness data. andd wtxid commits to the transaction includi
Today I was back at trying to sign a transaction spending a musig UTXO in Bitcoin Core. Last time around, Pieter W. gave me two pieces of advice. Use PSBTs, as they're more likely to work on modern stuff like Musig than raw transactions. He asked how I was generating my private/public keys, which made me realize I'd pr
I recently installed Bitcoin Core 32.0rc2 on one of my nodes and noticed that the reported P2P protocol version changed from 70016 to 70017. I remember 70016 being used for quite a long time, so I was curious what exactly triggered the protocol version bump. What changed in protocol version 70017 compared to 70016? Als
hello i am building lightphon.com a dapp where you can buy and sell compute power. What i really need is a place where you can get the 66 hex characters usdt group key (taproot assets)
Imagine a multisig wallet with cosigners comprising say 2 (software) Bitcoin Core wallets, and 3 hardware signing devices, in a m-of-5 multisig setup. Do experienced bitcoiners foresee a problem with this setup? Specifically, the wsh(sortedmulti(..)) descriptor will mix address paths - Core's m/84'/0'/0'/0/* xpub with
Currently running Bitcoin Core 31.1 and in the past I remember a config option to provide search services to light clients (may have been on Knots). Usually about half of my incoming connection peers are breadwallet or bitcoinj clients. Is it possible to only peer with full nodes such as libbitcoin, knots, core, etc?
What Is a Blockchain, and How Does It Work in Bitcoin? A blockchain is a type of distributed database that stores information in a sequence of blocks. In the context of Bitcoin, the blockchain is a public record of confirmed transactions that is maintained and independently verified by network participants. Each block
i'm looking for plateform where i can stake BTC with the best interest. Any suggestion ? I'm european i need MIca platform. Thank you !
Of course, only ASIC is relevant today. But before bitcoin asics became available, fpga based bitcoin mining out competed gpus. Back at that time, gpus were mainly floating point oriented. But would a modern Stratix 10 Gx with over 12 million lut still beat a RTX4090 in terms of mining profitability?
So i've been going back and forth on whether to put a mining heater in the bedroom for winter. My apartment runs cold and i already spend money on a space heater, so the math kinda makes sense on paper. But every comparison i see focuses on the lowest dB number on the spec sheet. And honestly i'm not sure that tells yo
I've been running a pruned Bitcoin Knots node with BIP-110 enabled, with Core Lightning connected to it. I only run it when I need to transact, roughly once a week. After BIP-110 was activated, I noticed that my UTXO set became smaller. The last time I ran the node was on 20 August 2026. BIP-110 activated at block 961,
Why does Electrum say I have some frozen funds when I have no Lightning channels open? I also have no frozen addresses.
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