using this first to make nip-46 possible without implicitly whitelisting the whole internet.
i think next step will be making a full free tier access control, need to get a token bucket to have fair but limited access without being on the whitelist, and average bandwidth limiting. so it will be freedumb if you use the things that speak CAT.
next after that i can see this being usable as a means to allowing tor-like relay routing and who cares about stupid tor, when nostr can route like that itself