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67 sats \ 3 replies \ @fiatjaf 24 Apr 2022 \ on: Is OP_CTV opening up new potential attack vectors on bitcoins censorship resistance? bitcoin
CTV is not as powerful as you think. It is just checking a hash. The attack you're thinking about requires what they call "recursive covenants".
When you create a CTV spend you must already know all the possible future spends and you can't fall into the same system. It's a pretty dumb change, and pretty safe, easy to reason about. Even though it is super simple it has some nice use cases.
is there no way to add spend conditions after the fact?
still tyring to wrap my head around this whole thing
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There is no way, it is super limited. Read the BIP directly: https://bips.xyz/119
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Ok thanks. Sounds good. I will look more into it.