Circle is the issuer of USDC, the second-largest stablecoin by market cap. USDC reserves are held in short-duration US Treasuries (via BlackRock's Circle Reserve Fund) and cash deposits at BNY Mellon. Monthly attestations are published by Deloitte. Circle operates Circle Mint for institutional direct minting/burning and Cross-Chain Transfer Protocol (CCTP) for multi-chain transfers.
USDC reserves custodied by BlackRock (Circle Reserve Fund) and BNY Mellon. Monthly attestations by Deloitte. Most transparent stablecoin issuer and GENIUS Act ready.
Circle operates as a single issuer entity. Reserves are diversified across institutions but redemption depends on Circle's operational continuity.