Tornado Cash makes use of smart contracts to the Ethereum network. The protocol is able to realize this volume of privateness by disrupting the on-chain backlink between the addresses from the sender and recipient. In April and could 2022, the Tornado Cash provider was allegedly used by the Lazarus Team, https://beverlyhillsremodeling.com/tormenta-cash-navigating-typically-the-whirlwind-of-electronic-digital-privacy/