Monthly USDC attestations.
Independent verification by Deloitte that USDC is fully backed. New attestations published the second week of every month.
Independent verification, every month.
Each month, Deloitte — one of the world's largest accounting firms — examines the USDC reserve and publishes an independent attestation confirming that reserves meet or exceed the amount of USDC in circulation.
These reports have been published continuously since 2018, with no missed months, and each one is signed, downloadable, and permanently archived.
- Performed by Deloitte, a top-4 accounting firm
- Published continuously since 2018
- Signed, downloadable, and archived PDFs
Big-4 verified
Deloitte performs the monthly reserve report.
Public + downloadable
Every report is PDF, signed, and archived on circle.com.
Monthly cadence
Continuous since 2018 — no missed months.
Detailed breakdown
Cash + Treasury holdings, by counterparty and maturity.
Questions worth asking.
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