Which exact USDC mint transactions underlie the September 2026 community claim about institutional TIBBIR buyers?The retained original and amplification do not provide addresses or receipts, while both institutional minting and permissionless cross-chain minting are possible mechanisms.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