this post was submitted on 20 Jun 2025
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So much of what creating privacy busting biometric databases claim to do could be accomplished with speed-of-light geofencing, a.k.a. “distance-bounding protocol”. If a moderator decides messages from country X are problematic, then they can flag/block them for other users. It only requires carefully measuring ping times and basically involves banning traffic from places that can't achieve certain minimum pings to certain trusted servers.