rich1.0Leathermint (npub1v0…m3m3e)https://nostr.ae/npub1v0tfjv5ahr3c260jtzdk5w48krerrnkg8fmcnc5lpguk0qda04eqzm3m3enjumphttps://nostr.aenostr: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?