The Identity Letter describes interoperable identity as multiple technologies and standards forming connected networks, rather than one universal standard.A broad infrastructure view; distinct from the conceptual Ribbita travel interface on p7 and from production credential evidence.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