OKX founder Star Xu has advised users to temporarily avoid direct transfers from MEXC to OKX, following special measures taken by FinCEN, the US Treasury’s financial crimes unit, against MEXC. The warning came on November 7, 2026, via a post on X, as users reported frozen USDT deposits sent from MEXC to OKX.
OKX implements enhanced risk controls
According to research findings, OKX has rolled out enhanced risk controls on MEXC-linked funds, described as similar to controls exchanges apply during financial sanctions. The timing is notable: FinCEN set a 30-day transition period for its measures against MEXC, but OKX chose to act immediately rather than wait for the window to close.
Users report frozen USDT deposits
The advisory followed user reports that USDT deposits from MEXC to OKX were being flagged and frozen. The issues involved both TRC20 and ERC20 versions of USDT—tokens on the Tron and Ethereum networks, respectively. Concerns centered on high-risk addresses, meaning wallets that OKX’s systems linked to elevated compliance risk, regardless of the network used.
News coverage of the situation began on November 7 and 8, 2026, confirming both the user complaints and the official advisory. The advisory did not single out specific trading volumes, tokens, or trading pairs; it focused squarely on the direct transfer route from MEXC to OKX.
Compliance emphasis grows
The research findings frame this as part of a growing emphasis on compliance as regulatory pressure intensifies. Exchanges are increasingly reacting quickly to regulatory shifts instead of waiting for deadlines.
Implications for traders and the market
For users, the practical takeaway is straightforward: anyone planning to move funds from MEXC to OKX faces a real chance of having those deposits flagged. Xu’s advice suggests avoiding the direct route for now. Users who already sent USDT and saw it frozen will likely need to work through OKX’s review process.
The research findings point out that liquidity and fund movement may shift as users adjust to stricter practices across exchanges. Continued enforcement from US regulators could bring heightened scrutiny on compliance issues across the broader crypto market.
For now, the things to watch are concrete: whether OKX eases its controls once FinCEN’s 30-day transition period ends, and whether rival exchanges adopt similar restrictions on MEXC-linked deposits. The episode shows how quickly a regulatory action against one platform can reach users of another—a FinCEN measure aimed at MEXC ended up freezing deposits at OKX and prompted its founder to ask customers to stay away.
