South Korea's Financial Intelligence Unit (FIU) ordered the blocking of 27 cryptocurrency exchange websites, including KuCoin, MEXC, BingX, and Phemex, on October 13. This action extends previous restrictions that had already blocked mobile applications for unregistered foreign exchanges via Apple App Store and Google Play. The Korea Media and Communications Standards Commission approved these website blocks following regulatory reviews conducted on October 6 and 7. Other affected platforms include Poloniex, BTCC, BitMart, XT.com, Bitrue, CoinW, and DigiFinex.
The enforcement targets virtual asset service providers operating without local registration under the Act on Reporting and Using Specified Financial Transaction Information. Unregistered operators face criminal penalties, including up to five years of imprisonment or fines of 50 million won. The FIU has referred 44 unregistered operators to investigative authorities. While the restrictions remove browser-based access channels, they do not imply that customer assets have been seized or that the exchanges have ceased global operations. Regulators plan to coordinate with the Digital Asset eXchange Alliance (DAXA) to assist existing customers in withdrawing remaining assets.
This development marks a significant escalation in South Korea’s regulatory strategy, moving from app-store limitations to comprehensive web-access blocking. By closing both mobile and desktop entry points, authorities are effectively isolating unregistered foreign exchanges from the domestic market. This demonstrates a robust commitment to enforcing local compliance standards, particularly regarding anti-money laundering obligations and Information Security Management System (ISMS) certification requirements.
From an Institutional Adoption perspective, this creates a clearer bifurcation between compliant domestic entities and non-compliant international platforms. The FIU’s recognition of only 28 registered virtual asset service providers highlights the high barrier to entry for foreign firms seeking legitimate access to Korean users. For investors, the immediate risk involves liquidity constraints for those holding assets on blocked platforms, although regulators have pledged coordination to facilitate withdrawals. This move also signals increased scrutiny on trading fee structures, as recent investigations revealed significantly higher fees at unregistered operators compared to licensed domestic exchanges.



