According to the latest reports, after the cryptocurrency exchange Rain was targeted by hackers, the perpetrators have shifted the illegally acquired 1,155 Ether (ETH) to the anonymization platform, Tornado Cash. This transfer amounts to approximately $2.9 million, highlighting the potential risks that hacker activities pose to the cryptocurrency market. As the crypto industry continues to grow rapidly, security concerns are increasingly in the spotlight, and this event serves as a reminder of the importance for investors and platforms to enhance their security measures. Tornado Cash, known as a popular Ethereum mixing service, aims to protect users' privacy by complicating transaction paths, which also raises the attention of regulatory bodies regarding illegal activities such as money laundering. The aftermath of this Rain hacker incident is likely to spur further advancements in industry compliance and security standards.