FinCEN has withdrawn its proposed rulemaking on cryptocurrency mixers, citing public feedback that the regulation's broad definition of mixing could have a chilling effect on legitimate activity. The agency acknowledged commenter concerns that the expansive scope might inadvertently restrict lawful financial transactions and privacy tools. The decision marks a significant shift in U.S. regulatory approach to crypto privacy services following industry pushback against the original proposal. FinCEN indicated it will reconsider the framework to better distinguish between illicit laundering activities and legitimate use cases for transaction obfuscation.