Both CPFP and RBF are relay/mining policy and cannot be made consensus
rules because you cannot know which transactions have been received by a
givrn peer and which have not (or at what time). Consensus rules can only
validate information that's in the blockchain.
On Nov 29, 2015 5:33 AM, "Vincent
(I haven't been following this development recently so apologies in advance
if I've made assumptions about RBF)
If you made CPFP consensus critical for all Full-RBF transactions, RBF
should be safer to use. I see RBF as a necessity for users to fix mistakes
(and not for transaction