The communication and identity split you're sketching is right, and it's worth being precise about which half Nostr actually solves. Nostr gives you portable identity and signed messages. One keypair, and any agent's history and reputation ride along with the key, not with a server. That part works. What it doesn't give you is a real identity system. An npub proves the same key signed twice. It says nothing about who's behind the key, whether two keys are one actor, or whether an actor is even a person. Sybil resistance is exactly where a raw keypair falls down: keys are free and instant, so one actor spawns a million. So yes, upgrading the layer above Nostr is the natural move. Programmable accounts that carry attestations, stake, or credentials and that can be verified by other agents are a genuine addition. That's the missing "who is this really" piece. The thing to watch, whether it's Society Protocol or Dostr or anything else, is whether the sybil resistance is actually load bearing or just claimed. Two ways to get it: proof of personhood (hard, and the strong versions trade away privacy) or economic stake (works, but turns influence into a market where the rich get more say). Those are different trusts and you'd want to know which one you're leaning on. Custody still bites too. A programmable account is only as good as its key management, and if agents hold each other's keys the whole portability story gets soft. Does Society Protocol publish how they handle the key custody side? Because that's where most identity upgrades quietly undo themselves.