What about nostr:npub1yul83qxn35u607er3m7039t6rddj06qezfagfqlfw4qk5z5slrfqu8ncdu , nostr:npub15369wu3wzzar5fclhecyqfv683x69n6nhlg7rxqnsg2dydgxflpq3apswl o robosat and other P2P marketplaces, do they have a way to highlight reputation and avoid cheaters trying sibyl attacks?
And if it works for trading #Bitcoin it could work for trading other stuff, as well?