Seoul Moves To Block 27 Crypto Exchanges. Will Korean Money Come Home?

What Happened

Regulators plan to seek blocks once they detect unregistered activity, pending the review body’s approval. According to the FIU announcement, they will no longer wait for court rulings or confirmed user losses.

The FIU has referred 44 unregistered operators to investigators. It plans to seek further blocks on replacement sites that relaunch under new addresses.

Korean investors paid foreign exchanges an estimated $3.5 billion in fees in 2025, according to Tiger Research. The firm and Chainalysis put the amount moved from Korean to overseas exchanges at about 700 trillion won from 2021 to 2026.

Market Context

Regulators judge whether an offshore platform operates locally by weighing Korean-language sites, marketing to Koreans, and won payment support. Operating without registration can bring up to five years in prison or a 50 million won fine.

Traders who bring funds home will find a smaller market. Crypto on Korean exchanges lost 33% of its market value in the first half of 2026. The drop, measured against the second half of 2025, left it at 58.9 trillion won.

Why It Matters

The FIU urged users holding assets on unregistered platforms to withdraw them immediately. It acknowledged the blocks may restrict withdrawals and plans to guide users through the Digital Asset eXchange Alliance (DAXA).

Details

South Korea has ordered domestic access blocks on 27 unregistered crypto exchange websites, including KuCoin, MEXC, Phemex, BingX, and BitMart. The Financial Intelligence Unit (FIU) disclosed the order on October 13.

The country’s communications review body approved the blocks after reviews on October 6 and 7. Sites hosted abroad face access blocks, while those with servers or operators in Korea face service termination.

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South Korea Takes Its Crypto Crackdown to 27 Websites

The FIU had already asked Google and Apple to block new installs and updates of unregistered exchange apps. In March 2025, Google Play restricted 17 such platforms, including KuCoin and MEXC.

What the Block Means for Korean Traders’ Money

In a statement to BeInCrypto, a KuCoin spokesperson said the exchange respects regulations across jurisdictions.

“Compliance remains central to KuCoin’s business strategy. We respect applicable laws and regulations across jurisdictions and continuously strengthen our compliance framework in response to evolving regulatory requirements. User assets remain safe and secure, and we will communicate any further updates through our official channels.”

BeInCrypto has also contacted MEXC, BingX, Phemex and BitMart for comment and will update this article with any response.

The FIU also cited high fees. A June probe by DAXA and registered operators found flagged exchanges charged average fees of 1.5% to 10%. That is up to 62 times the 0.16% average on Korea’s five largest won-based exchanges.

That total includes a projection for this year and covers only traceable routes. Net stablecoin outflows from Korea’s major exchanges also ran for an 18th straight month in June.

Some Korean money has already moved beyond centralized exchanges. Tiger Research found Korean-owned wallets deposited about $1.64 billion into Hyperliquid, Lighter, and Variational since January 2024.

Upcoming outflow data should show whether traders on blocked platforms return to domestic exchanges or move on-chain.

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