Instead of tying a person to a handle, explicitly, each person should be restricted to a single handle in a community. If they misbehave in that community, the

Instead of tying a person to a handle, explicitly, each person should be restricted to a single handle in a community. If they misbehave in that community, the handle is punished. But, the person's actual identity is not affected. Of course, restricting the number of handles per person is pretty difficult without some kind of record of their real identity. But, there's a puzzle to solve!