nostr's distinctive difference is that you can do that
most social networks are consensus based and borderless, yet funny enough they need all this moderation
ownership can control most of this, and nostr stands ready to enable it
Discussion
Yes, something like family only relay is possible.
it practically can be done right now with #realy and a client that doesn't presume to try and smoosh you into the rest of the network, as most of them do
