A criminal network with suspected ties to the illicit export of fentanyl precursors has been implicated in a significant cryptocurrency fraud operation orchestrated from Japan, as detailed in a recent investigation by Nikkei.
Key Takeaways
- A Chinese organization involved in exporting fentanyl precursors is linked to a major crypto fraud based in Japan.
- The group allegedly promoted a fraudulent token named “zksync.jp,” defrauding users globally and causing losses exceeding $1 million.
- Transaction analysis revealed over 120 crypto transfers between the network and entities under U.S. sanctions, suggesting money laundering activities.
- The operation exploited Japanese internet domains to lend credibility to its fraudulent schemes.
- This case highlights the evolving methods of financial crime, integrating illicit substance trafficking with cryptocurrency manipulation.
The investigation points to Hubei Amarvel Biotech, a chemical manufacturer based in Wuhan, as a central entity. Two of its executives were convicted in February 2025 in a Manhattan federal court for their roles in a conspiracy to import fentanyl precursors into the United States. The organization’s Japanese front, a Nagoya-based company named Firsky, reportedly served as a hub for managing logistics and financial operations, allegedly directed by a Chinese national known as Xia Fengzhi, who is now unaccounted for. Firsky was liquidated in July 2024.
Utilizing wallet addresses obtained from U.S. court documents, Nikkei conducted an analysis of fund movements, focusing on activity post-September 2022. This analysis uncovered suspicious transactions dating back to October 2022, suggesting a connection between the network and Chinese financial fraud groups. One notable scheme involved the distribution of a fake “Zksync.jp” token, designed to mimic a legitimate payment service and lure users into transferring funds. The total losses from this particular scam are estimated to be in the hundreds of millions of yen, exceeding $1 million, with victims reported in Japan and internationally.
The fraudulent token’s name appears to leverage the reputation of ZKsync, a genuine Ethereum Layer 2 network developed by Matter Labs. The use of the “.jp” domain suffix, which typically requires a Japanese address for registration, and the token’s issuance in 2023, coincided with Amarvel’s operational period through Firsky. Nikkei’s report indicates that the domain’s registrant is a Chinese national residing in Hong Kong with established financial links to Amarvel.
Chainalysis, a blockchain forensics firm, informed Nikkei that such a structure is a common money-laundering technique, capitalizing on the international trust associated with Japanese domain names. Furthermore, the investigation linked the network to parties designated by the U.S. Treasury’s Office of Foreign Assets Control (OFAC). Over 120 transactions were identified with sanctioned entities, particularly those associated with the Wuhan Yuancheng Group, with funds routed through multiple accounts to obfuscate their origins. Wuhan Yuancheng Group is reportedly led by Chuen Fat Yip, a Chinese national accused by the U.S. of managing a transnational drug operation spanning mainland China and Hong Kong. The U.S. State Department has offered a reward for information leading to his capture.
Tien-Peng Ho from TRM Labs commented that Japan’s geographical proximity to mainland China, its open financial system, and significant cross-border trade volume make it a suitable location for disguising illicit proceeds. These findings align with broader on-chain investigations that have observed a pattern where a significant majority of China-based drug precursor manufacturers accept cryptocurrency payments. Previous reports have traced millions of dollars in stablecoins from Latin American cartels to Chinese fentanyl producers, with substantial sums flowing into wallets linked to chemical suppliers since 2015.
Potential Regulatory Precedent and Legal Stakes
This case carries significant implications for the global regulatory landscape of cryptocurrencies and illicit finance. The direct linkage between a pharmaceutical precursor network, known for producing substances contributing to a public health crisis, and sophisticated crypto-enabled fraud, sets a critical precedent for international law enforcement and regulatory bodies. The use of Japanese domains and financial systems by a Chinese criminal entity underscores the cross-border complexities that regulators must address. For companies and assets involved, the legal stakes are exceptionally high, involving charges related to drug trafficking, money laundering, and wire fraud. The U.S. convictions of Amarvel executives demonstrate the potential for severe penalties. This incident will likely intensify scrutiny on the use of digital assets in facilitating international criminal enterprises and may prompt stricter compliance measures for cryptocurrency exchanges and domain registrars operating globally. Regulators worldwide, including those in Japan as it works to categorize crypto as financial products and consider crypto ETFs, will need to enhance cross-jurisdictional cooperation to combat such sophisticated criminal operations. The reliance on blockchain analytics by Nikkei and firms like Chainalysis and TRM Labs highlights their growing importance in forensic investigations and future regulatory enforcement actions.
Original article : www.theblock.co