Tornado Cash was initially released in 2019. It is one of the completely decentralized apps based on Ethereum to support transactions privately. State Antony Blinken said that the administration of Biden would sanction Tornado Cash as part of the Decentralized Finance (De-Fi) program which is based on the Ethereum blockchain. It enables anonymous movement of cryptocurrency. The movement has sparked fury in the world of crypto because of the logic and manner behind it which was being carried out. The movement may signal a significant gvt. to crack down on space. Let us examine the circumstances behind sanctions that could mean for future decentralized finance. It is an emerging financial technology that is based on secure and distributed ledgers akin to being used by digital currency. It accepts user payments, combines them into the address, and then lets users withdraw money and move it to the second address of Ethereum.