Thank you for bringing that to my attention, apologies for not being aware of it.First-seen-safe replace-by-fee as detailed here https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-May/008248.html by Peter Todd seems to be a very suitable option and route which balances FullRBF while retaining the significant 0-conf use case.This would seem like a good way forward.________________________________On Tue, Dec 13, 2022 at 6:20 AM Yuval Kogman <nothingmuch@woobling.org> wrote:https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-May/008248.html