South Korea’s Financial Intelligence Unit (FIU) has imposed a 6-month partial business suspension and a 36.8 billion won fine on Bithumb, one of the largest Korean crypto exchanges. The sanctions were finalized due to serious Anti-Money Laundering (AML) and Know Your Customer (KYC) breaches, including dealings with unregistered overseas virtual asset service providers and weak customer due diligence under the Specific Financial Information Act.
The measures include a six-month partial business suspension that focuses on restricting certain virtual asset transfers, especially to external wallets for new users. In addition, the exchange faces an administrative fine in the tens of billions of won (approximately $24–26 million). The CEO received a reprimand warning, and the exchange’s reporting officer is subject to a six-month suspension.
This decision comes after a broader supervisory campaign initiated following Bithumb’s “ghost Bitcoin” system error in February, which resulted in hundreds of thousands of BTC being briefly mis-credited. This incident triggered comprehensive inspections across Korean exchanges. The FIU informed Bithumb of the suspension on March 9.
Bithumb’s situation mirrors previous penalties imposed on Korean exchanges like Upbit and Korbit, which have faced multi-million-dollar fines and partial suspensions for widespread KYC and AML failures.
South Korea has been swiftly aligning its crypto oversight with Financial Action Task Force (FATF) standards, expanding its Travel Rule implementation. Major exchanges are being treated more like systemically important financial institutions, as evidenced by the proposed Digital Assets Basic Act. This umbrella bill encompasses various crypto policy measures, from stablecoin regulations to crypto exchange-traded funds.
Globally, regulators are adopting a stringent approach to crypto AML, as seen in Binance’s record AML and sanctions settlement in the US and Canada’s substantial fine against Cryptomus. Jurisdiction and compliance profiles now directly impact counterparty risk for traders. Exchanges with weak AML controls risk sudden suspensions, tightened withdrawal rules, or liquidity shocks that can affect prices and funding conditions.
In the current climate, trading on exchanges that compromise on AML rules introduces additional hidden risks of regulatory intervention. It is crucial for traders to consider jurisdiction and compliance when assessing counterparty risk.
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