OFAC SDN List

Definition ∞ The OFAC SDN List, or the Specially Designated Nationals and Blocked Persons List, is a regulatory compilation maintained by the U.S. Treasury Department’s Office of Foreign Assets Control. It identifies individuals, entities, and vessels with whom U.S. persons are generally prohibited from conducting transactions. This list is a key tool in enforcing economic sanctions.
Context ∞ The application of the OFAC SDN List to cryptocurrency transactions is a frequently discussed topic in digital asset news, particularly concerning compliance obligations for exchanges and decentralized protocols. Debates focus on the challenges of enforcing sanctions in a pseudonymous and permissionless environment.