The hacker responsible for the Poloniex exchange breach has reportedly moved $3.3 million worth of Ethereum (ETH) to the Tornado Cash mixer, following 178 days of inactivity. This move underscores the persistent worries about the potential misuse of cryptocurrency mixers for money laundering purposes.

Tornado Cash is a privacy-focused Ethereum mixer that allows users to send or mix their ETH to obscure the original source of funds. While it has legitimate uses, it can also be exploited by malicious actors to launder stolen cryptocurrencies. This recent activity from the Poloniex hacker serves as a stark reminder of these risks.

The industry must continue to develop and implement robust security measures to mitigate these threats and ensure the integrity of the blockchain ecosystem.