As I explore the use of Bitcoin Script for introspection, I am not overly concerned with total script size, because if common usage patterns emerge those can be soft-forked into new opcodes, or new address types. But I have been concerned with constructions which require the use of Child-Pays-For-Parent for fee paying, as that makes the transaction significantly more expensive than using inline fees and Replace-By-Fee.| Rusty Russell’s Quiet Corner of The Internet