nostr:nprofile1qqsg900w2ph8d84ujnhz7d3dqlqevrwwgzavv5xcy6jzlrsvqxwre9spzamhxue69uhhyetvv9ujuurjd9kkzmpwdejhgtcpz9mhxue69uhkummnw3ezuamfdejj7qghwaehxw309a3xjarrda5kuetj9eek7cmfv9kz7hep3j5 is using "block" to mean the other party can't see your notes, either.

I haven't found a need for it, myself.

Unhinged post stalkers quickly get banned by my followers. Web of Trust working as intended...