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Starting Dec. 10, 2026, U.S. financial institutions may not send funds to or receive funds from MEXC Global, a crypto exchange. The U.S. Treasury's Financial Crimes Enforcement Network (FinCEN) issued the order on Nov. 6. This guide explains what the order says, what FinCEN says about MEXC Global, and what is still unknown.

What the order does

The order has one main rule. A "covered financial institution" may not take part in "any transmittal of funds from or to MEXC Global." The order says "transmittal of funds" means sending and receiving funds, including crypto. It names Bitcoin as one kind of crypto that counts.

The order uses FinCEN's existing legal meaning of "financial institution." According to the order, FinCEN's rules treat businesses that accept and send crypto as money transmitters, which are a type of financial institution. The order does not list covered firms by name.

Other key points from the order:

It starts on Dec. 10, 2026, and has no end date.
It covers MEXC Global and its branches, subsidiaries and offices outside the United States, plus any successor. Any MEXC branch, subsidiary or office inside the United States is left out.
FinCEN kept the right to add conditions or grant exemptions later.
The order does not change other duties, such as suspicious activity reports or sanctions rules run by the Treasury's Office of Foreign Assets Control (OFAC).

What FinCEN says about MEXC Global

FinCEN found that MEXC Global is a financial institution outside the United States "of primary money laundering concern in connection with Russian illicit finance." That is the legal finding that allowed this kind of order. FinCEN says it based the finding on public and non-public information.

These are FinCEN's assessments, which it says come in part from its analysis of blockchain data:

From May 2021 to May 2026, MEXC Global moved at least $16.7 billion in funds that FinCEN calls likely illicit. FinCEN describes this as money tied to sanctions evasion, cybercrime and other illegal activity. Treasury's news release rounds this to "at least $16 billion."
In that period, MEXC Global sent or received nearly $1.5 billion tied to Russian sanctions evasion, including $232 million in direct transactions with entities sanctioned by the United States, the European Union or the United Kingdom.
FinCEN says about $1.87 billion in transactions had links to Iran, and at least $1.99 billion came from or went to illicit cyber actors.
FinCEN says MEXC Global kept doing business with two sanctioned Russian-linked exchanges, Garantex and Grinex, as recently as June 2026.

FinCEN also says MEXC Global's user agreement bans users in some places, including Iran. It says transactions with those places still happened.

FinCEN does not say all of MEXC Global's business is illegal. The order says FinCEN "assumes that a portion of MEXC Global's business activities are legitimate." It also says FinCEN does not have full insight into how much of the business that is. FinCEN's view is that the risks outweigh any legitimate use, and that legitimate users could find other regulated firms that offer the same services.

What it may mean if you use MEXC Global

The order puts its ban on covered financial institutions. It does not say that people who hold an account at MEXC Global are breaking this order. The penalties it names are for covered institutions, and their officers, directors, employees and agents, that willfully violate it. The order also says it does not change other U.S. laws, including sanctions rules.

Treasury says the order "prevents U.S. financial institutions from processing funds transfers involving MEXC Global." So a covered U.S. firm may refuse a transfer to or from MEXC Global after Dec. 10. The order does not say how each firm will handle customer requests.

Incoming crypto is harder to control. The order says there are "technological limitations" that may stop a firm from declining a crypto transfer sent from an address it does not control. FinCEN says firms can use judgment in those cases. Its examples include crypto that sat in a private wallet for a long time, or a case where the firm's own risk rules would not allow it to send funds back to MEXC Global.

Questions you may want to ask your own exchange, bank or payment app:

Will you block transfers to and from MEXC Global, and from what date?
What happens to a deposit that arrives from MEXC Global after Dec. 10?
Will you tell customers before a transfer is rejected?

Your provider's own notices are the best source for its plans. This article does not say what any firm will do.

What is not known

The order does not include a response from MEXC Global. It says MEXC Global and others may send relevant information to FinCEN.
It does not list which firms are covered or how each will apply the order.
FinCEN's order says it will "place U.S. and foreign financial institutions and regulators on notice," but its ban is written for covered financial institutions. How firms outside the United States will react is not stated.
Some of FinCEN's evidence is non-public, and the order does not publish the underlying transaction lists. Readers cannot check every figure.
The order is an agency finding. It is not a court judgment.
FinCEN could add conditions or exemptions later. The order does not say if or when it might.

Key dates

Nov. 6, 2026: FinCEN and Treasury announce the order as part of what Treasury calls Operation Economic Outcast.
Nov. 10, 2026: The order is published in the Federal Register (91 FR 72420).
Dec. 10, 2026: The order takes effect, with no end date.

Sources

Disclosure and Disclaimer: This article is informational editorial coverage based on the cited and dated U.S. government documents. It reports FinCEN's findings and assessments as FinCEN's statements, not as court rulings or proven facts, and it does not include a response from MEXC Global. How the order applies to a particular exchange, bank, payment app or transfer depends on the order's legal text, your provider's rules and your own situation, so check your provider's notices and ask a qualified legal or compliance professional about sanctions or anti-money-laundering questions. The featured image is a generated illustration, not a photo of a real event. This article is not financial, legal, or investment advice. AI-assisted research and original article writing, links back to sources for proper attribution. Cited sources, not AI alone, support article writing and factual claims.

Market context

FinCEN Order Bars U.S. Financial Firms From Moving Money To or From MEXC Global on Dec. 10