W3C’s credential data model does not itself establish the presenter’s authority or prevent replay. The specification discusses additional authentication, proof of control and fresh challenges.Historical receipt of a token does not establish current control, consent or a continuing mandate.TIBBIR UNIVERSE THIS IS TIBBIR How to get TIBBIR Ribbit in numbers Connected clues Account archive Bridge & contracts On-chain research Connections Community The story Reading room Network map Timeline Findings Source library Conversations People & companies Open questions Export & reuse