US Treasury cracks down on Iran-linked money networks, sanctions Canadian firms

The US Treasury imposed financial sanctions on eight money services firms in Canada. The sanctions block any US-based assets and prohibit transactions with US persons or entities. Treasury said the firms helped exchange Iranian rials and other currencies for digital assets, enabling transactions involving Iran and sanctioned Iranian actors.

The named firms include Million Exchange, Farah Exchange, NIA Nations Currency Ltd, and Darvish Exchange. Treasury said several dealt with sanctioned Iranian digital asset exchanges or addresses linked to the Islamic Revolutionary Guard Corps. Separately, FinCEN issued an order against Seychelles-incorporated MEXC Global. That order bars US financial institutions from processing fund transfers involving the platform.

The MEXC order takes effect 30 days after publication in the Federal Register. Treasury alleges MEXC facilitated at least $16 billion in illicit transactions tied to sanctions evasion involving Iran, North Korea, and Russia, plus cybercrime. Together, the actions aim to disrupt financial channels that Washington says help Iran evade sanctions.

Financial sanctions are government restrictions designed to isolate a person, company, or network from financial activity. In this case, the US Treasury used sanctions to target firms it accused of helping sanctioned Iranian entities. The goal is to make their alleged financial services harder to use and to disrupt Iran’s access to money-moving channels.

For the eight Canadian firms, the practical effects are direct. Any assets they hold in the United States are blocked. They are also prohibited from transactions with US persons or entities. A separate FinCEN order prevents US financial institutions from processing fund transfers involving MEXC Global.

Being cut off from the US financial system does not automatically mean every country must impose the same restrictions. But it removes access to US-linked financial activity and dollar-based channels. Treasury Secretary Scott Bessent framed the choice sharply: institutions must support the Iranian regime or retain access to the US financial system.

The article gives one major transaction figure: at least $16 billion in illicit transactions that Treasury says MEXC Global facilitated. The alleged activity involved sanctions evasion connected to Iran, North Korea, and Russia, as well as cybercrime. Treasury also said MEXC processed transactions involving other sanctioned actors.

The Canadian action covered eight money services firms based in Ontario and British Columbia. Treasury did not provide a total dollar value for the transactions allegedly facilitated by those eight companies. It said the firms exchanged Iranian rials and other currencies for digital assets, and that several dealt with sanctioned Iranian exchanges or addresses linked to the IRGC.

The figures show both scale and scope, but they are not directly comparable. The $16 billion figure concerns MEXC and is an allegation by Treasury. The eight Canadian firms are counted by designation, while their alleged transaction volume remains unspecified. MEXC’s order takes effect 30 days after Federal Register publication.

Money services businesses can provide the conversion points that turn one form of value into another. Treasury said Canada has hundreds of such businesses moving funds into and out of Iran through cash-based value transfer systems. It also said they can convert cash into digital assets for cross-border transfers.

The alleged mechanism involved exchanging Iranian rials and other currencies for digital assets. Digital assets could then be sent across borders, while cash-based systems could move value without a conventional bank transfer described in the release. Treasury said several of the eight designated firms dealt with sanctioned Iranian digital asset exchanges and addresses linked to the IRGC.

The action shows why authorities are focusing on both traditional cash services and digital-asset platforms. The article does not quantify how much each Canadian firm moved or describe every transaction. It does state that the designations were coordinated with Canada’s FINTRAC, linking the US measures to Canadian financial-monitoring work.

Sanctions change who can legally do business with a designated company. For the eight Canadian firms, Treasury said the restrictions block assets they may hold in the United States and prohibit transactions with US persons or entities. This can isolate a company from US-connected financial activity even though it is based abroad.

The mechanism is a legal restriction on assets and transactions. US persons and entities cannot conduct prohibited business with the designated firms. In MEXC Global’s case, FinCEN separately ordered that US financial institutions cannot process fund transfers involving the cryptocurrency exchanger. That order is scheduled to take effect 30 days after Federal Register publication.

The consequences described in the article are financial, not a stated closure of the companies. The firms are based in Ontario and British Columbia, while MEXC is incorporated in Seychelles. Treasury’s broader aim is to disrupt channels that allegedly move funds for sanctions evasion and to deter institutions from supporting them.

OFAC, the Treasury Department’s Office of Foreign Assets Control, handled the designations of the eight Canadian businesses. It publicly named each firm and described alleged links to Iranian currency exchanges, digital assets, sanctioned Iranian exchanges, and IRGC-linked addresses. The designations impose the restrictions described by Treasury.

FinCEN, Treasury’s Financial Crimes Enforcement Network, took a different action against MEXC Global. It issued an order that effectively cuts the Seychelles-incorporated exchanger off from the US financial system by barring US financial institutions from processing its fund transfers. FinCEN also gave the order a 30-day start period after Federal Register publication.

Canada’s FINTRAC was involved through coordination with the US designations. The article does not specify FINTRAC’s individual findings or enforcement steps. Together, the agencies’ actions show a combined approach: identify alleged facilitators, restrict their access to US finance, and coordinate across borders to disrupt suspected Iranian financial channels.

The US dollar-based financial system matters because it is the channel Treasury used to impose consequences beyond US borders. The article says the sanctions cut the eight Canadian firms off from that system, block US-held assets, and prohibit transactions with US persons or entities. That gives Washington leverage over foreign businesses using US-linked finance.

The mechanism is access rather than physical control. A Canadian firm can remain based in Ontario or British Columbia, but its US-related assets and transactions can still be restricted. For MEXC Global, FinCEN barred US financial institutions from processing fund transfers. These measures target the financial connections that allow money to move through US institutions or dollar channels.

The article presents this power as part of Operation Economic Outcast, launched in August to disrupt Iran’s financial channels and digital-asset sanctions evasion. Treasury Secretary Scott Bessent said the department would pursue those channels anywhere in the world. The measures therefore signal continued pressure on foreign facilitators, without stating what other countries will do.