Is there a nip for that? So many things happening in this space it's impossible to keep up.
I still can't fathom how a p2sh is going to integrate into a social protocol trustlessly in a way that couldn't just be nostr agnostic.
Discussion
Its not inherent to nostr but a part of Cashu. You can lock up tokens to a SH much like in bitcoin and only somekne who can solve that script (in this case a receiver, who owns a private key, could be nostr) can pay the token.
P2SH in Cashu isn't properly documented yet but im working on it. The Cashu spec (WIP) is here: