Recently, the attack on the decentralized finance (DeFi) platform Unizen has garnered significant attention within the crypto community. In this incident, an address marked as an attacker performed an action by transferring its holding of 865.4 Ethereum (ETH) to the decentralized mixing service provider Tornado Cash. This operation not only involved substantial cryptocurrency transfers but also surpassed the value of $2.16 million, highlighting the potential risks of illicit asset flows in the digital currency market. Tornado Cash, known for its role in protecting user privacy and asset security, once again becomes a focal point of discussion in this context.