nostr:nprofile1qqsth7fr42fyvpjl3rzqclvm7cwves8l8l8lqedgevhlfnamvgyg78spz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3qamnwvaz7tmwdaehgu3wwa5kuegpz4mhxue69uhk2er9dchxummnw3ezumrpdejqj9swg4 why not use existing web-of-trust for managing contacts? If someone really wants ephemerality can always bootstrap a burner-npub, but the default way I think should be npub reuse across clients and so login in keychat trough existing nsec or better trough a signer-app like amber