South Korea’s Financial Intelligence Unit (FIU) has flagged roughly 40 unregistered crypto operators to investigators and issued a consumer warning about the risks of using unauthorized virtual asset services.
What the FIU found
- The FIU, which operates under the Financial Services Commission (FSC), said dozens of virtual asset service providers that are not registered in South Korea have been reported to law enforcement.
- Under the country’s Special Financial Transactions Act, any company offering virtual asset services to South Korean users must register with the FIU and meet requirements such as Information Security Management System (ISMS) certification. Foreign firms serving Korean residents are held to the same rules.
Why unregistered platforms are dangerous
- The FIU warned that unregistered operators lie outside the protections of South Korea’s Virtual Asset User Protection Act and the Special Financial Transactions Act. That increases users’ exposure to personal data leaks, cyberattacks, and platforms being used to conceal criminal proceeds or facilitate money laundering.
- Consumers also risk payment without delivery of assets, difficulty recovering losses, and hidden or excessive fees that were not properly disclosed.
How some operators tried to evade oversight
- Investigators identified tactics used by overseas firms to target Korean users while concealing local operations: recruitment campaigns in Telegram and KakaoTalk open chat rooms, and customer support conducted in English to avoid detection.
- The FIU also found private currency-exchange businesses directly selling stablecoins and other digital assets to international students, tourists, foreign workers, and other users who preferred anonymity, swapping digital assets for Korean won.
- Promotional activity on social media is another concern: some individuals are reportedly paid by overseas providers to advertise services on YouTube, Telegram groups, and online chat rooms.
Enforcement and how to report suspicious activity
- The FIU urged consumers who suspect illegal virtual asset activity to report it to the FIU, the Digital Asset eXchange Alliance (DAXA), or local law enforcement; complaints can also be filed directly with investigative authorities.
- Authorities said coordinated enforcement will continue, with ongoing public tip-off monitoring and expanded joint investigations with related institutions.
Regulatory context and market momentum
- The warning comes as South Korea prepares new rules for cross-border virtual asset transfers due to take effect in December. Amendments to the Foreign Exchange Transactions Act will require international digital-asset transfer providers to register with the Ministry of Economy and Finance and to report transactions through the Bank of Korea’s foreign-exchange monitoring system.
- Interest in crypto remittances is rising: SBS Biz reported that overseas remittances processed through South Korea’s five largest won-denominated exchanges grew from 34.02 trillion won in 2022 to 163.55 trillion won in 2025.
- Financial institutions are also moving in: Toss Bank recently signed an agreement with the Solana Foundation to study stablecoin-based remittance and settlement services.
- Regulators are expanding tools to manage innovation, too—last week the FSC said it will broaden its regulatory sandbox to include digital-asset legislation such as the Virtual Asset User Protection Act to explore supervised pathways for blockchain and fintech services.
Bottom line: the FIU’s action underscores growing enforcement against unregistered crypto operators as cross-border crypto flows and institutional interest accelerate in South Korea. Users should verify an operator’s FIU registration and ISMS certification and report any suspicious activity to authorities.
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