The United States has sanctioned a Sinaloa Cartel network that used cash‑to‑crypto channels to move fentanyl profits. The Treasury Department’s Office of Foreign Assets Control, or OFAC, designated more than a dozen individuals and several front companies linked to the cartel’s financial operations.
Officials say this group helped convert drug cash into digital assets to hide the money’s origin and move it across borders. According to Treasury and blockchain intelligence firms, the network relied on over-the-counter crypto brokers, shell firms, and currency exchanges to push funds from the United States into Mexico and beyond.
Under the sanctions, US authorities froze any assets the named people and entities hold in US jurisdiction and barred US persons from dealing with them. OFAC also added several crypto wallet addresses, including six Ethereum addresses, to its blacklist so exchanges and compliance tools can monitor and block related activity.
Treasury described the action as part of a broader campaign to disrupt fentanyl supply chains that run from Mexico into US cities. The designations target not only cartel members but also money launderers, security firms, and even a restaurant in Chihuahua that allegedly helped move or store proceeds.
How the Cash‑to‑Crypto Scheme Worked
Investigators say the network started with bulk cash collected from fentanyl and other drug sales in the United States. Couriers delivered that cash to middlemen, who then worked with unlicensed money transmitters and OTC crypto brokers to turn dollars into digital assets like stablecoins.
The group then allegedly employed several wallets, currency exchanges and layering schemes to break up and shuffle monies. In some cases they transferred crypto back to local currency through Mexican casas de cambio and front businesses which subsequently paid suppliers, chemists and logistics teams related to fentanyl production and trafficking.
US officials said the case points to how gangs are now mixing traditional laundering technologies with crypto rails to clean drug revenues at scale. They say most crypto is used legally, but also that cartels are seeking for stablecoins and cheap networks to move money quicker than regulators can react.
For exchanges, OTC desks, and fintech platforms, the designations raise the bar on sanctions screening and wallet monitoring. The action also signals that US agencies plan to combine blockchain tracing, sanctions, and criminal cases to target similar cash‑to‑crypto pipelines that support the Sinaloa Cartel and other drug groups tied to fentanyl.
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