The purchase account combines a claim of autonomous selection with signing by the agent and human creators, and describes 2-of-3 signing.Autonomous selection, transaction proposal and independent transaction authority are different. A completed onchain purchase does not audit these offchain stages.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