A service that mixes or blends potentially identifiable cryptocurrency funds with others to obscure the origin and ownership of the funds. This process, also known as “tumbling,” involves pooling together bitcoins from multiple users and then redistributing them, making it difficult to trace the transaction history. Bitcoin mixers are often used to enhance privacy and anonymity, but they are also associated with money laundering and other illicit activities, making them a focus of AML/CFT regulations and enforcement efforts.