Persona and Ribbit Capital Treasury comment on reusable digital identityThe original ten-page comment requests a six-month identity-credential sandbox; its signature blocks identify Rick Song and Sigal Mandelker. It proposes interoperable providers, without naming TIBBIR.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