ive just made an example nostr npub, which the nsec is already destroyed. this works like https://example.com and you can use it in documents, placeholders, previews and more.

nostr:nprofile1qqs2ef5zc5wyfjgyv3saur9nf0xxxwx42ckdlyrz4m5u8jj6fjs2k0qpr9mhxue69uhhyetvv9ujuumwdae8gtnnda3kjctv9u52cj2y

check this out.