The U.S. Department of Justice (DOJ) has launched an investigation into whether Iran utilized the cryptocurrency exchange Binance to circumvent American sanctions, according to a recent report by The Wall Street Journal. The probe centers on allegations that over $1 billion in funds flowed through the platform to networks supporting pro-Iranian militant groups, including Yemen's Houthi rebels. A significant portion of these transactions reportedly passed through Blessed Trust, a Hong Kong-based payments company closely affiliated with Binance.
This inquiry follows Binance's internal actions, where the company reportedly dismantled a probe into suspicious transfers exceeding $1 billion to Iran-backed entities. Internal investigators flagged transactions totaling more than $1.7 billion from Chinese clients to wallets linked to Iran, with at least $1 billion moving through Blessed Trust between November 2024 and August 2025, and an additional $500 million via another account, Hexa Whale Trading. However, Binance suspended and later fired these staff members in November 2025, shortly after they presented their findings to leadership.
Binance maintains that it independently identified the suspicious activity and collaborated with law enforcement. A company spokeswoman emphasized that the firings were unrelated to compliance issues, attributing them to individual circumstances. Furthermore, Binance claims that only a fraction—approximately $24 million—reached wallets associated with Iran's Islamic Revolutionary Guard Corps (IRGC), and that no direct transactions with sanctioned entities were confirmed. The exchange has highlighted its "best-in-class compliance program" in public statements.
The situation has drawn scrutiny from lawmakers. Senator Richard Blumenthal (D-Conn.), Ranking Member of the Senate Permanent Subcommittee on Investigations, initiated a preliminary inquiry in February 2026, requesting detailed records from Binance CEO Richard Teng. Blumenthal expressed concerns that the company may have ignored warning signs and provided support to entities involved in money laundering, describing Binance's responses to media reports as inaccurate or evasive.
Adding layers of complexity, Binance filed a defamation lawsuit against The Wall Street Journal on the same day the latest report was published, seeking damages and disputing the outlet's coverage of the internal investigation and firings.
Broader Context and Ironies
This development unfolds against Binance's turbulent regulatory history. In 2023, the company pleaded guilty to violations of U.S. anti-money-laundering laws and sanctions, agreeing to a record $4.3 billion fine. Founder Changpeng "CZ" Zhao resigned, pleaded guilty, and served four months in prison before being released in September 2024.
In a controversial move, President Donald Trump granted Zhao a full pardon on October 23, 2025, lifting restrictions on his involvement in financial ventures and nullifying his conviction. The White House justified the pardon by claiming Zhao was targeted in a "witch hunt" against the cryptocurrency industry.
Despite the settlement, Binance remains under a three-year monitorship by the U.S. Treasury Department's Financial Crimes Enforcement Network (FinCEN), which it is actively seeking to terminate. Critics, including Blumenthal, have raised concerns about potential conflicts of interest, noting Binance's growing ties to Trump family cryptocurrency ventures, such as World Liberty Financial.
The timing of the DOJ probe is particularly awkward amid escalating U.S.-Iran tensions. On February 28, 2026, the U.S. and Israel launched airstrikes on Iran, assassinating Supreme Leader Ali Khamenei and targeting nuclear, ballistic missile, and military sites in a bid for regime change.
Recent actions include U.S. bombings of Iran's Kharg Island oil hub on March 13, 2026, which President Trump described as "totally obliterating" military targets while sparing energy infrastructure. Iran has threatened retaliation, and the conflict has disrupted global oil markets by closing the Strait of Hormuz.
This juxtaposition — U.S. military action against Iran while probing a platform allegedly used to fund Iranian proxies, whose founder was pardoned by the same president — highlights potential inconsistencies in U.S. policy. Zhao, post-pardon, has publicly expressed gratitude to Trump and committed to advancing cryptocurrency innovation, but the ongoing scrutiny underscores persistent challenges in regulating digital assets amid geopolitical conflicts.
As the investigation progresses, it could further strain Binance's operations and influence broader U.S. efforts to enforce sanctions in the crypto space. For now, the exchange insists on its compliance rigor, but regulators and lawmakers appear unconvinced.
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