filed_complaint_0.pdf (2 MB)

A U.S. criminal complaint alleged that Minh Quoc Nguyen operated ChipMixer, an online bitcoin mixer used to conceal proceeds from cybercrime and other illegal activity. The affidavit says ChipMixer had facilitated roughly $3 billion in bitcoin laundering since 2017, including funds tied to ransomware payments, thefts, darknet markets, nation-state criminal activity, and other crimes. Investigators alleged Nguyen used aliases and stolen identities to buy and maintain infrastructure, move illicit funds, and evade law-enforcement detection. The source frames ChipMixer as an unregistered money-services business and a laundering service relevant to tracking cybercrime and state-linked cryptocurrency flows, without naming a specific DPRK actor in the provided excerpt.