Snapshot 2025-12-31Published 2026-01-15Lag 15dSource Secondary SourceVerified 2026-08-03

USDC Reserve Attestation

Circle Internet Group, Inc. — 2025-12-31

Engagement Details

Period Type: Monthly
Engagement Type: Examination
Standard: AT-C 205
Opinion: Unmodified
Practitioner: Deloitte & Touche LLP
Assertion Party: Management of Circle Internet Group, Inc.

Reserve Summary

Total Reserves: $76,300,000,000
Circulating Supply: $75,900,000,000
Coverage Ratio: 100.53%

Composition

Category	Amount (USD)	%
Government Money Market Funds	$64,100,000,000	84.00%
Cash at Insured Depository	$12,200,000,000	16.00%

Custodians

BNY Mellon
BlackRock

Scope Notes

USDC supply dipped in late December (redemption surge). Reserves figures approximate.

GENIUS Act Disclosure Checklist

Factual observations only. See methodology.

✓Monthly disclosure published
✓Examination-level engagement
✓Practitioner PCAOB-registered
✓Composition by category disclosed

Source

Primary source PDF ↗

Source quality: Secondary Source

How to Cite

Reserve Attestation Registry. "USDC Reserve Attestation — 2025-12-31." https://grantstell.com/attestations/circle-usdc-2025-12 (retrieved 2026-08-03).