On January 29, 2021, Hugo Sergio Mejia, 49, of California, was charged in a two-count information with operating an unlicensed money transmitting business and money laundering. In a plea agreement, Mejia agreed to plead guilty to these felony offenses.

According to his plea agreement, from May 2018 to September 2020, Mejia operated a virtual currency business that exchanged Bitcoin for cash, and vice versa, charging commissions for these transactions. Mejia admitted he never registered his business with the Financial Crimes Enforcement Network, a bureau with the United States Department of the Treasury that collects and analyzes information to combat financial crimes, including money laundering.  During the nearly 2½-year period, according to the plea agreement, Mejia exchanged at least $13 million.

Mejia advertised his business online and was referred to customers by word of mouth, communicating with them via encrypted messaging services, and meeting them in person at coffee shops, the plea agreement states.  On several occasions between May 2019 and March 2020, Mejia met with a client, who was working with law enforcement, to exchange Bitcoin for tens of thousands of dollars in cash, according to the plea agreement. On March 12, 2020, Mejia met with the client at a coffee shop in Irvine and facilitated the exchange of 14.273 Bitcoin for $82,150 in cash plus fees. During this meeting, the client informed Mejia that his primary customer was a methamphetamine buyer in Australia.

Mejia agreed to forfeit all assets derived from the illegal conduct.  When sentenced, he will face a maximum prison term of 25 years.

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David Zaslowsky is partner in the Litigation Department of Baker McKenzie's New York office. He helps companies solve complex commercial disputes in arbitration and litigation, especially those involving cross-border issues and Section 1782 discovery. David has a degree in computer science and, as a result, has worked on numerous technical-related disputes, including, most recently, those involving blockchain and artificial intelligence. In April 2025, Attorney Intel named David one of the top 25 blockchain lawyers in the country. He is the editor of the Firm's blockchain blog and co-editor of the firm's International Litigation & Arbitration Newsletter. David has been included for a number of years in the Chambers USA Guide and Chambers Global Guide for his expertise in international arbitration. He also sits as an arbitrator and is on the roster of arbitrators for a number of arbitral institutions. David sits on the Board and chairs the governance committee of the New York International Arbitration Center, and is a founding member of the International Arbitration Club of New York. For over 35 years, he has written and spoken often on the subjects of arbitration and international litigation.