nostr:nprofile1qqs2vrneurk665gq6a2rke572y7mc8ppwr5wnd60mw8fwxharc8xsycpzamhxue69uhhyetvv9ujuvrcvd5xzapwvdhk6tcpzamhxue69uhhyetvv9ujumn0wd68ytnzv9hxgtc53f4fp Nostr as a tool for free speech... are there approaches at protocol level to protect the user's metadata so that a relay can effectively only store the pseudonymous identity? (Ip, mac adress, client used, name …)

or is this already guaranteed?