Run your own relay, only allow those you whitelist to use it.
Discussion
Isn't there a simpler way?
Like in other mainstream social media.
I think it's a very basic feature, that every nontech people would except from a social nedia platform, especialy freedom oriented one
#freedom
#privacy
#nostr
It's an open protocol, to control who uses it you need to control the relay. Otherwise you're asking client creators to allow censorship, which is what they are trying to avoid. A private relay is you're own business though.