Ribbit’s Bitcoin LetterRibbit’s 2013 Bitcoin Letter discusses a shared ownership ledger, payments and micropayments, alongside adoption, regulatory and technical risks.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