The recent case involving the Taizi Group has brought to the forefront the complex issues surrounding cryptocurrencies and their use in transnational crimes such as human trafficking and money laundering. The U.S. Department of Justice has charged the group's chairman, prompting several countries to freeze related assets. This incident underscores the significant impact of regulatory crackdowns and the challenges posed by U.S. long-arm jurisdiction in the cryptocurrency sector. The case has sparked debate over whether such enforcement actions represent a 'black eating black' scenario, where illegal activities are targeted by other illicit forces. As regulatory policies tighten, the cryptocurrency industry faces pressure to distance itself from illegal activities to avoid being classified as a 'high-risk asset.' This situation highlights the ongoing struggle to balance the convenience of digital currencies with the need for robust regulatory frameworks to prevent misuse.