South Korea blocks 27 offshore crypto exchanges

TLDR

South Korea has ordered domestic web access blocked to 27 unregistered offshore crypto exchanges, including KuCoin and MEXC, under stricter anti money laundering rules.

1. The Financial Intelligence Unit (FIU) won approval to block 27 exchange websites that target Korean users without local registration, extending earlier app store bans.
2. Korean users may face difficulties accessing accounts and withdrawing funds, with activity likely shifting toward fully licensed local exchanges such as Upbit and Bithumb.
3. Authorities plan to monitor backup domains, push unregistered platforms to either register or leave the market, and roll out tighter tax and investor protection rules next.

Deep Dive

1. What Exactly Was Blocked

South Koreas FIU ordered domestic access blocks on 27 websites run by overseas exchanges that are not registered as virtual asset service providers, including KuCoin, MEXC, BingX, Phemex, XT.com, Bitrue, CoinW, Poloniex, BTCC and BitMart, after reviews on October 6 and 7 by the Korea Communications Standards Commission. Regulators say foreign platforms count as operating in Korea when they run Korean language sites, market to Korean users, or accept payments in Korean won, and those activities now require FIU registration and Information Security Management System (ISMS) certification under Koreas AML law. Operating without registration can carry up to five years in prison or fines up to 50 million won, and the FIU has already referred 44 unregistered operators to investigators, according to an official community summary.

2. Impact On Korean Users And Liquidity

The new website blocks extend earlier restrictions that already stopped Korean users from installing or updating these exchanges apps via Google Play and Apples App Store, raising the risk that some customers will struggle to log in or withdraw funds from affected platforms. Authorities have asked industry group DAXA to coordinate withdrawal guidance with the offshore exchanges, but have not guaranteed timelines or methods, and warn it may become harder to recover assets if users wait too long. A DAXA review cited by regulators found unregistered offshore platforms charged average trading fees of 1.5 to 10 percent, versus roughly 0.16 percent at South Koreas five largest registered won trading exchanges, suggesting some traders could see lower fees and stronger consumer protection if activity migrates to domestic venues.

3. What To Watch Next

Regulators say they will quickly seek blocks on any replacement domains these exchanges spin up, and can act without waiting for court rulings or proven user losses, signaling an aggressive enforcement posture against unregistered operators. Offshore exchanges now face a choice between complying with Korean registration and security requirements or effectively exiting the Korean market, while Korea advances a broader Digital Asset Basic Act and a 22 percent tax on qualifying crypto gains starting 2027, as noted in related policy coverage. For global markets, the direct liquidity impact is localized to Korean users, but the move adds to a wider trend of tighter AML supervision on both banks and crypto firms that could influence how other countries treat unregistered exchanges.

Conclusion

South Koreas decision to block web access to 27 offshore exchanges is a clear signal that unregistered platforms serving Korean users will no longer be tolerated, even if they operate abroad. The near term impact is strongest on Korean traders and on the affected exchanges Korean business, but the broader message is that AML compliance, registration and clear investor protections are becoming non negotiable entry conditions for major regulated markets.