Openness + Convergence. By “convergence”, I mean a
trusted identifier that you can freely post, pay and prove with.

Implementing NIP-05 gave me that simple vision and I am going down that very path as part of SEC-02 with nostr:npub1s0veng2gvfwr62acrxhnqexq76sj6ldg3a5t935jy8e6w3shr5vsnwrmq5