{"type":"rich","version":"1.0","author_name":"Leathermint (npub1v0…m3m3e)","author_url":"https://nostr.ae/npub1v0tfjv5ahr3c260jtzdk5w48krerrnkg8fmcnc5lpguk0qda04eqzm3m3e","provider_name":"njump","provider_url":"https://nostr.ae","html":"nostr:nprofile1qqstsxw4p7k5yq047erelxqqezsmxku005avdcwvtacks6mp69gzvsgjvrhqt if the key had room for 4 additional bits wouldn't it represent and keep a valid Bitcoin key? Is it not tehoricaly safe to chose the last 4 bits as long as your backup also remember those bits?"}