A U.S. court has sentenced French national Maximilien de Hoop Cartier to eight years in prison for running an unlicensed cryptocurrency exchange that functioned as a major laundering artery for international drug cartels.
As per the release from the Southern District of New York (SDNY), prosecutors said Cartier moved more than $470 million through U.S. bank accounts and shell companies before routing them to Colombia. The case has become a landmark example of how “high-prestige” identities can be leveraged to exploit the intersection of digital assets and traditional banking..
The Southern District of New York confirmed the sentencing after Cartier pleaded guilty in October 2025 to operating an unlicensed money transmitting business and conspiring to commit bank fraud. Authorities said he built an over-the-counter crypto exchange that disguised illicit proceeds as legitimate business revenue.
Shell companies and crypto conversion network
Cartier, who as per filings has been named as a direct descendant of the Cartier jewelry empire, operated an unlicensed over-the-counter (OTC) cryptocurrency exchange. Authorities said Cartier set up a network of shell companies that turned cryptocurrency into cash through controlled bank accounts. He opened several U.S. bank accounts and described his businesses as software firms. Investigators later found he used fake contracts and invoices to hide where the money came from. Prosecutors said he also moved drug proceeds through crypto before routing the cash into accounts he controlled.
U.S. Attorney Jay Clayton said, “Maximilien de Hoop Cartier exploited his knowledge of U.S. and international financial systems to launder drug money and other crime proceeds.” He added that the network supported wider, overseas criminal operations. As a result, officials said breaking up such systems remains key to stopping illicit finance.
IRS-CI officials backed the investigation, with Acting Special Agent in Charge Cynthia Hearn noted that the agency remains hyper-focused on stopping illegal money flows that directly support international drug trafficking. The FBI emphasized that Cartier’s network was a critical “node” that supported wider criminal operations across the Americas.
Global crackdown on crypto crime networks
Cartier’s sentencing arrives during a massive global crackdown on unregulated crypto infrastructure. For example, the French government has noted a rise in kidnappings linked to crypto and charged 88 suspects recently. On its part, Canada is considering curbing crypto ATMs owing to issues of fraud and money laundering.
The Japanese government has released new guidelines targeting real estate transactions funded by digital assets to prevent money laundering in the luxury property market.
Regulators are now stepping up cross-border cooperation, aiming to align crypto oversight more closely with traditional anti–money laundering frameworks.
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