rich1.0npub1sfzk6ruywyleey4hrdwnzzqfr2kstpgql8yj65xmxqdy5rcctd0qzljzaphttps://nostr.now/npub1sfzk6ruywyleey4hrdwnzzqfr2kstpgql8yj65xmxqdy5rcctd0qzljzapnjumphttps://nostr.nowIf I wanted to control who sees what posts on Nostr, would I have too run my own relays and only let certain people join the relays? For example, I want to post a family photo, but not publicly. Or maybe I want to post content about a certain subject to only those I trust. I'd need my own relay for each 'Access List'?