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Crypto Mixer Tornado Cash Says Sanctions Can't Apply To Smart Contracts

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One of the founders of Tornado Cash, among the most popular services to obfuscate cryptocurrency transactions, said it is “technically impossible” for sanctions to be enforced against decentralized protocols because of how they are designed.

Designed to preserve privacy, the Tornado protocol breaks the link between the sender and receiver’s addresses on transactions sent over the Ethereum blockchain. The project is smart contract-based, meaning that decisions are made by pre-written software programs instead of individuals. It also doesn’t provide any custodian services or have a centralized host for its website. Individuals can access Tornado Cash by using the Ethereum Name Service, a distributed naming system without any login information, which the co-founder says helps make it impossible to police users.