If account creation is solely outsourced to nostr, and payments are outsourced through ₿, the liabilities are out of your hands nostr:npub1manlnflyzyjhgh970t8mmngrdytcp3jrmaa66u846ggg7t20cgqqvyn9tn has given a couple of great talks I’ve seen on this.
I wish ya all the luck and look forward to using it.