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Jun 6, 2022 at 6:46 comment added chytrik @miketery BSV is an altcoin, I would definitely not recommend using that reference. Try perhaps raghavsood.com/blog/2018/06/10/bitcoin-signature-types-sighash ? re: BIP174: it is a standardized protocol for passing partially constructed bitcoin transactions between users/software. Using software that employs it will make collaborating on a multi-party transaction much easier.
Jun 6, 2022 at 6:09 comment added miketery I found this wiki.bitcoinsv.io/index.php/SIGHASH_flags (hopefully this is the same in BTC?). What does BIP-174 add if N people can agree on a X inputs and Y outputs, and then use SIGHASH_ALL?
Jun 5, 2022 at 21:44 comment added chytrik @miketery re: signatures: you'll want to learn about 'sighash flags', they are used to designate which parts of a transaction the signature covers. re: coinjoins: that term generally describes a more specific type of multi-party transaction, that seeks to improve the on-chain privacy of participants, I wouldn't really use that term to describe what you're trying to achieve.
Jun 5, 2022 at 19:36 vote accept miketery
Jun 5, 2022 at 18:55 comment added miketery I did further research, I think what I'm looking for is called a coinjoin.
Jun 4, 2022 at 17:36 comment added miketery Very interesting. How does the bitcoin logic allow the unlocking of the input based on a signature that signs both inputs? Does the verifier check for each input to see whether one of the unlocking scripts satisfies it? but the unlocking script (with signature of all inputs) depends on multiple inputs (both Alive and Bobs) being there?
Jun 4, 2022 at 7:47 history answered chytrik CC BY-SA 4.0