rich1.0npub1zw7cc8z78v6s3grujfvcv3ckpvg6kr0w7nz9yzvwyglyg0qu5sjsqhkhpxhttps://nostr.ae/npub1zw7cc8z78v6s3grujfvcv3ckpvg6kr0w7nz9yzvwyglyg0qu5sjsqhkhpxnjumphttps://nostr.ae📅 Original date posted:2018-05-09 📝 Original message:Johnson Lau <jl2012 at xbt.hk> writes: > You should make a “0 fee tx with exactly one OP_TRUE output” standard, but nothing else. This makes sure CPFP will always be needed, so the OP_TRUE output won’t pollute the UTXO set That won't propagate :( > Instead, would you consider to use ANYONECANPAY to sign the tx, so it > is possible add more inputs for fees? The total tx size is bigger than > the OP_TRUE approach, but you don’t need to ask for any protocol > change. No, that would change the TXID, which we rely on for HTLC transactions. > In long-term, I think the right way is to have a more flexible SIGHASH system to allow people to add more inputs and outputs easily. Agreed: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-April/015862.html But in the long term we'll have Eltoo and SIGHASH_NOINPUT which both allow different solutions. Cheers, Rusty.