Bitcoin Stack Exchange

How to decipher Bitcoin Hex code?

blockchain - How to decipher Bitcoin Hex code? - Bitcoin Stack Exchange Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only take...

How to get UTXOs using Bitcoinj

java - How to get UTXOs using Bitcoinj - Bitcoin Stack Exchange Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only takes a minu...

How does SpeedyMuSig compare to MuSig2?

This is a work in progress answer. As always alternative answers are welcome. There is a comparison table included in the Crites, Komlo, Maller paper. The only downsides (included in the table and the paper) of SpeedyMuSig are the additional group...

Mining stale low-difficulty blocks as a DoS attack

Bitcoin determines the best chain by choosing the one with the most work. As "work" is a bit nebulous, it is specifically determined using a metric called "chainwork". Chainwork is just the expected number of hashes required to produce all of the bl...

Bitcoin hash rates/difficulty

Difficulty is defined relatively: it is how much more difficult it is to mine a block compared to a fixed "maximum target", which corresponds to roughly 232 hashes. In more detail, a Bitcoin block is PoW-valid when its hash (interpreted as a 256-bit...

Does Bitcoin fee depend on amount?

A Bitcoin transaction is a combination of one or more inputs and one or more outputs. Each input is itself an out put of a previous transaction. So it is not liquid. I think it is good to think of them as paper banks. If you buy something that costs...

Cold Storage of Exchanges

address - Cold Storage of Exchanges - Bitcoin Stack Exchange Results from the 2022 Developer Survey are now available ...