rich1.0Penlock wrotePenlock (npub1xl…lzcqv)https://yabu.me/npub1xlhmmmtmmk0v3l5heafjf4ktjqavhqwnkw455cnljettdamrzr3smlzcqvnjumphttps://yabu.meIt is the same concept, but the algorithm has been optimized for faster paper computation!