Re: [bitcoin-dev] SIGHASH_GROUP vs Ephemeral anchors

2023-01-11 Thread Antoine Riard via bitcoin-dev
Hi AJ, > The idea behind this is that then you can use a signature to link a > set of inputs and outputs via a signature in a way that's more general > than SIGHASH_ANYONECANPAY (since you can have many inputs attesting to > the same subset of outputs), SIGHASH_SINGLE (since you can attest to > mu

[bitcoin-dev] SIGHASH_GROUP vs Ephemeral anchors

2023-01-11 Thread Anthony Towns via bitcoin-dev
Hello world, I think it's interesting to compare SIGHASH_GROUP [0] and Ephemeral anchors [1]. [0] https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2021-July/019243.html [1] https://github.com/bitcoin/bitcoin/pull/26403 SIGHASH_GROUP is the idea that you provide a way for the inputs of a