rich1.0Joe Davison (npub1j0…djqnu)https://yabu.me/npub1j0edavp956frcvh2nx80mm70s4upljykrdadumdlq06rvffzza5q2djqnunjumphttps://yabu.mehttps://www.youtube.com/watch?v=kflAOBEMkcQ Nostr Spam Solutions, a review of Nostr.Band spam API and trust rank