Is synonymous by using a core subset of the Tornado Cash good contracts: the Tornado Cash swimming pools. The overwhelming majority of these contracts are immutable. That's, they've no capacity to be up-to-date or taken out by anyone. An entire list of sanctioned, immutable Tornado Cash pools can be found https://jhgjss.com/2024/09/29/tornado-cash-explained-how-it-ensures-unmatched-confidentiality-on-ethereum-and-bnb/