And that's why QRZ should implement scoring, IMHO. Nothing will be an absolute, iron clad guarantee - there is no such thing. BUT if you can reasonably prove the person is the person (that's the authentication piece), the history/reputation score paints the picture of who you're dealing with. Like I said, you can be a proven slimeball... But back to the OP's original question, why is it necessary to post a call sign with Verified? One could argue it helps prevent blatant fraud from authenticated individuals (not having the item for sale, for example), but that's it. Not sure how much of a problem that really is, and it does nothing for dishonesty, misrepresentation, etc., as already pointed out. A reputation score will show that pretty quickly. Authentication + Reputation = higher confidence.