U.S. Sanctions Target Crypto Addresses Linked to Garantex to Disrupt Houthi Financing

On April 2, 2025, the U.S. Department of the Treasury’s Office of Foreign Assets Control (OFAC) imposed sanctions on a network of cryptocurrency addresses associated with the Iran-backed Houthi movement. This action aims to disrupt the Houthis' financing mechanisms, particularly their procurement of arms and evasion of international sanctions.

Key Takeaways

OFAC sanctioned eight cryptocurrency addresses linked to the Houthis, including six private wallets and two deposit addresses.
The sanctioned addresses have facilitated nearly $1 billion in illicit transactions.
The sanctions target actors in Russia, including Garantex, a crypto exchange flagged for facilitating terrorist financing.
The Houthis have increasingly relied on cryptocurrency for funding, raising concerns about the evolving nature of terrorist financing.

Overview of the Sanctions

The recent sanctions by OFAC are part of a broader strategy to cut off financial support for the Houthis, formally known as Ansar Allah. The designated addresses are believed to have been used for various illicit activities, including arms procurement and the movement of stolen commodities, such as Ukrainian grain.

The sanctions specifically target:

Eight Cryptocurrency Addresses: These include six private wallet addresses and two deposit addresses at mainstream services.
Key Individuals: Among those sanctioned are Russian nationals Hushang and Sohrab Ghairat, who have been instrumental in facilitating operations for the Houthis.

The Role of Garantex

Garantex, a Russia-based cryptocurrency exchange, has been identified as a significant player in the Houthi financing network. Recent data indicates that the Houthis moved over $45 million through Garantex, which has been implicated in facilitating terrorist financing activities.

In early March 2025, Garantex announced its closure following scrutiny from regulators. However, reports suggest that the exchange may have resurfaced under a new name, Grinex, continuing its operations despite the sanctions.

Implications for Terrorist Financing

The sanctions against the Houthi network highlight the increasing scrutiny of cryptocurrency's role in facilitating terrorist financing. The U.S. government is intensifying efforts to monitor and disrupt financial networks that support groups like the Houthis, which pose threats to regional and global security.

The Houthis have demonstrated a growing ability to leverage commercial actors and cryptocurrency, raising alarms about the potential for similar networks to emerge in other regions. By targeting the financial infrastructure that supports their operations, the U.S. aims to mitigate the risks associated with missile attacks and drone strikes that threaten international maritime trade and regional stability.

Conclusion

The recent OFAC sanctions represent a significant step in the ongoing battle against terrorist financing, particularly as it relates to the use of cryptocurrency. As the landscape of financial transactions evolves, so too does the need for robust measures to combat illicit activities that undermine global security. The U.S. will continue to monitor these developments closely and take action as necessary to disrupt such networks.

Sources

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