Mandelker points to Block and Linux Foundation work on credentials, and names Fireblocks when discussing security infrastructure.The credential initiative is not named in this passage; no project name is inferred. A reference does not prove a Ribbita deployment.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