> It says they don't talk to each other but it is not prevented No protocol can prevent a piece of software from doing whatever they want. The "shall not" is

> It says they don't talk to each other but it is not prevented No protocol can prevent a piece of software from doing whatever they want. The "shall not" is not absolute: the spec assumes and expects relays not to talk to each other. Nothing prevents you from creating a relay that connects to another relay, of course, but that would not be in the spirit of what Nostr is trying to achieve.