Exactly what ive been thinking, except in my design these are inputs to a pluggable nostrscript anti spam algo
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Nice! I might start creating a User Status event for every new interaction, putting them into the "interacted with" list

GitHub
Contact Cards by vitorpamplona · Pull Request #761 · nostr-protocol/nips
Uses unbound lists to create events that define the relationship between two pubkeys in a public or private manner.
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