I don't see what the Orange Check that nostr:npub15dqlghlewk84wz3pkqqvzl2w2w36f97g89ljds8x6c094nlu02vqjllm5m and nostr:npub1jt97tpsul3fp8hvf7zn0vzzysmu9umcrel4hpgflg4vnsytyxwuqt8la9y talk about really changes.
Why is signing your data not enough to proof it was really you? I see the case for a proof on the BTC timechain for timestamping some of your publications, but why is that needed for your npub itself too?