rich1.0Operation Stack Sats (npub1tp…auhzp)https://yabu.me/npub1tpghuc3nnwwkwy4dfwmcyemhqky7shhtservd5jcj2vpyfe6xg6q9auhzpnjumphttps://yabu.me2/ How it works: You custody a UTXO with a statechain entity. Transfer = you give your key share to the recipient. The entity updates who it co-signs with. The bitcoin never moves on-chain.