Brian Armstrong on Coinbase’s beginnings and Bitcoin securityArmstrong recalls early wallet design and explains Coinbase’s decision to provide security as a service for a broader audience.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