I'm slowly working on some big plans. If I understand correctly, making nostr pubkeys the same size as eth pubkeys would also make them work as Monero addresses. Ideally there would be 3 sizes of public key code: a small code containing the short key binary (current npub), a medium code containing the long key binary (like current eth or xmr pubkeys), and a long code containing both. Unless it's possible for a public key to simply be shortened and work with the private key without needing to be separately generated at the separate length, idk