How could you block Nostr? Block the client websites and the apps in your country?
Discussion
You cant
nostr:note1xfq28cuzllgkud3jjtynh7f72qzhluvgn9ntyfnj7z5y6n8893lsqs3wj3
I get that, but could you block Nostr clients for phones and websites that act as clients? You need a client to access the relay network don’t you?
Specific apps could be taken down from app stores, web client and relay domains could be blocked, but that wouldn’t block nostr or prevent you from finding a way to broadcast signed events.