Tornado Cash runs over the Ethereum network and is particularly secured by zero-awareness proofs. The Tornado Cash protocol as well as anonymity mining protocol continues to be audited by a number of Specialist audit providers like Zeropool. “With Tornado Cash, the defendant created a shortcut for financing crimes and terrorism,” https://shannongarson.com/how-tornado-cash-enhances-privacy-for-ethereum-and-bnb-transactions/