How do USDC and USDT compare on issuer?

USDC: Circle. USDT: Tether Ltd..

How do USDC and USDT compare on reserves?

USDC: Monthly attestations, US regulated. USDT: Quarterly attestations.

USDC: Preferred DeFi collateral. USDT: Highest overall supply.

Circle versus Tether — reserve transparency, regulatory posture, DeFi adoption, and peg stability compared.

Updated June 2026

Option A

USDC

Option B

USDT

Criteria	USDC	USDT
Issuer	Circle	Tether Ltd.
Reserves	Monthly attestations, US regulated	Quarterly attestations
DeFi usage	Preferred DeFi collateral	Highest overall supply
Decentralised?	No — centralised issuer	No — centralised issuer
MiCA status	EMI licence progress	Varies by jurisdiction

Verdict

USDC preferred for regulatory clarity and DeFi-native integrations; USDT leads on liquidity and emerging-market adoption.

Market data changes frequently. For live TVL and rates, see our DeFi tools.