FinCEN Order Cuts MEXC Off From US Banking Over $16 Billion in Alleged Illicit Flows

The U.S. Treasury's Financial Crimes Enforcement Network issued a final order Friday cutting offshore crypto exchange MEXC off from the American financial system over at least $16 billion in alleged illicit flows, according to a Treasury press release. FinCEN, acting under section 9714(a) of the Combating Russian Money Laundering Act, designated MEXC a "primary money laundering concern in connection with Russian illicit finance."

The stakes are concrete. Thirty days after the order lands in the Federal Register, covered U.S. financial institutions will be barred from any funds transfer — including convertible virtual currency — to or from MEXC. Willful violations carry civil or criminal penalties. As of Friday evening eastern time, the Register's public index showed no MEXC document, and the order's own cover note says publication is pending. Until that happens, the clock hasn't started.

What does Treasury allege?

The numbers are specific. Treasury claims MEXC facilitated at least $16 billion in illicit flows from May 2021 through May 2026. That includes:

• Nearly $1.5 billion tied to Russian sanctions evasion
• About $22 million linked to Iran's Central Bank and the Islamic Revolutionary Guard Corps' Qods Force
• Roughly $1 billion in direct traffic with more than 40 Iranian crypto exchangers
• Nearly $26 million with the OFAC-sanctioned A7 sanctions-evasion network
• Almost $200 million tied to the A7A5 stablecoin

FinCEN also alleges DPRK facilitators and cybercrime flows ran through the platform. The exchange was still processing trades with sanctioned Garantex and its successor Grinex as recently as June 2026, more than four years after OFAC designated Garantex.

What exactly is the enforcement mechanism?

Precision matters here. This is not an OFAC sanctions designation, and FinCEN says the order does not rewrite Bank Secrecy Act duties or OFAC rules. It's a funds-transmittal ban under section 9714(a), not a Section 311 proposed rulemaking. Treasury framed the move as part of Operation Economic Outcast, and Reuters reported the same cut-off Friday afternoon.

The order, signed by FinCEN Deputy Director Jimmy L. Kirby, covers MEXC Global and named affiliates operating outside the United States:

• Seychelles-incorporated MEXC Global Ltd / MX Global Ltd
• Estonia's MEXC Estonia OÜ
• Switzerland's GIDA Technology AG
• The U.K.'s MXC Global Ltd, plus successors

Why does this matter for a top-20 exchange?

Founded in 2018 and formerly branded MXC, MEXC ranks among the world's 20 largest centralized crypto venues by volume. Treasury puts daily turnover above $1 billion and reserves near $5 billion as of mid-2026, with claimed access across more than 170 countries.

The exchange already lists the United States as a prohibited jurisdiction in its user terms, so the practical damage lands on remaining dollar rails, banking partners and any counterparty still touching U.S. institutions. Once the order bites, U.S. banks and money transmitters can't move dollars or crypto to MEXC wallets or accounts. Offshore users may keep trading peer-to-peer, but every bank that still clears for MEXC becomes a legal risk.

Other regulators have been circling for years. The U.K. Financial Conduct Authority put MEXC Global Ltd on its warning list in March 2024 as unauthorized. Hong Kong's Securities and Futures Commission warned the same month that the platform was marketing to local investors without a licence. Seychelles' Financial Services Authority said in May 2026 it took enforcement action against MX Global Ltd for unlicensed virtual-asset operations — a move FinCEN footnoted in its own order.

MEXC has not issued a public response to the Friday order. Its main X account kept posting marketing content through the afternoon.

What happens next?

The template tracks earlier 9714 cut-offs of venues such as Bitzlato, and it lands in a busy sanctions week that already included North Korea crypto designations, an Iranian exchange action, and Russia's push to put bitcoin trading on the Moscow Exchange. Whether MEXC contests the finding, seeks an exemption, or quietly reroutes liquidity is the open question. For now, the paper trail is clear: a final order, a 30-day fuse after Federal Register publication, and Treasury's $16 billion claim behind it.