Full RBF
RBF
Why Full-RBF Makes DoS Attacks on Multiparty Protocols Significantly More Expensive
Bitcoin Core v28 からデフォルトで fullRBF がオンになっている
bitcoin/doc/release-notes/release-notes-28.0.md at master · bitcoin/bitcoin
The default value of the -mempoolfullrbf configuration option has been changed from 0 to 1, i.e. mempoolfullrbf=1. (#30493)
policy: enable full-rbf by default by 1440000bytes · Pull Request #30493 · bitcoin/bitcoin