As explained in our Stablecoin Access Denial Policy, Circle can block an individual blockchain address from sending or receiving USDC or EURC in certain limited circumstances.

What is USDC blocklisting?

Blocklisting (also called “access denial” or “freezing”)  is the process of preventing an individual blockchain address from sending or receiving USDC or EURC.

Blocklisting is different from reversing a transaction. USDC and EURC transactions are irreversible, and Circle cannot reverse or recall a completed transfer.

When may Circle block an address?

Circle may block an address in limited circumstances, including:

• To comply with applicable laws and regulations, or valid legal orders from a duly recognized US or French authorized authority, US or French court of competent jurisdiction, or other governmental authority with jurisdiction over Circle.
• In response to certain urgent government requests.
• When Circle determines, in its sole discretion, that blocklisting is necessary to prevent a threat to the security, integrity, or reliability of the Circle Stablecoin network.

Circle reviews blocklisting requests according to its policy and applicable legal and regulatory requirements. 

What happens to USDC or EURC associated with a blocked address?

USDC or EURC transfers to or from a blocked address may fail. USDC or EURC associated with the address may remain inaccessible while the blocklisting is in effect.

Review the Stablecoin Access Denial Policy and USDC Terms for more information.

Can Circle reverse a blocklisting?

Circle may remove an address from the blocklist when:

• The relevant authority formally confirms that a legal obligation or order has been lifted or no longer applies.
• A security incident no longer requires the restriction.

Circle evaluates any removal in accordance with the Stablecoin Access Denial Policy Policy and applicable law.

What should I do if USDC or EURC was moved without my consent?

Contact the appropriate local law enforcement agency as soon as possible. Gather relevant information for their investigation, including:

• The sending and receiving wallet addresses.
• The transaction hash.
• The date and time of the transaction.
• The amount of USDC involved.
• Any other information about what happened.

Law enforcement can provide valid legal process directly to Circle for review. Circle will assess it under the Circle Stablecoin Access Denial Policy and applicable law.