As far as I know, all public-private key pairs are generated randomly on nostr protocol; How it would be possible for Ed Snowden to claim/ generate/ edit/ modify custom public key ?
Can we edit our public keys or register it with another nsec (secret key) ?
#npub1sn0wdenkukak0d9dfczzeacvhkrgz92ak56egt7vdgzn8pv2wfqqhrjdv9 (Snowden)
https://github.com/lacaulac/nostr-pubminer
But I would not do that.