South Korea Imposes 20% Cap on Crypto Lending Interest and Outlaws Leveraged Loans

South Korea's top financial regulator has unveiled tough new guidelines for cryptocurrency lending on local exchanges, capping interest rates at 20% and banning loans that exceed a user's posted collateral. The move is a response to rapid market growth and volatility, aiming to bolster investor protection and align with global standards.

Key Takeaways

• Interest rates on crypto lending are now capped at 20% annually.

• Leveraged loans exceeding users’ collateral value are completely banned.

• Lending is limited to the top 20 cryptocurrencies by market cap or those listed on three or more Korean exchanges.

• Lenders must use their own capital and cannot sidestep rules via third parties.

• Strict user protection measures, including lending limits and prior liquidation warnings, are introduced.

Regulatory Crackdown on Risky Crypto Lending

In response to escalating risks from rapid growth in crypto lending services, South Korea's Financial Services Commission (FSC) implemented a set of comprehensive guidelines starting September 5, 2025. The crackdown follows reports that over 27,000 investors borrowed roughly $1.1 billion in a single month, with 13% at risk of forced liquidation.

Authorities suspended all crypto lending services in August for review, citing concerns over leveraged positions and lack of consumer safeguards as platforms competed for dominance. Rival exchanges had offered loans up to 80% of deposit value and, in some cases, four times higher than customer holdings.

Main Rules: Caps And Bans

Under the new rules, all crypto lending interest must remain at or below a 20% annual rate, aiming to stop excessive fees. Critically, loans exceeding collateral value – so-called "leveraged loans" – are banned outright to reduce liquidation risks and prevent reckless borrowing.

Cash lending is also outlawed, with exchanges required to issue loans strictly in crypto, not Korean won. Exchanges are barred from using third parties for delegated lending, keeping accountability within the platforms themselves.

Which Assets and Users Qualify?

To curb volatility and manipulation, only digital assets from the top 20 global cryptocurrencies or coins listed on at least three domestic exchanges are eligible for lending. Tokens with trading restrictions or suspicion of abnormal activity are automatically excluded.

Borrowing limits now vary between 30 million and 70 million Korean won ($22,000–$52,000) depending on individual trading history and experience. First-time borrowers must complete online training and suitability checks, strengthening consumer education and risk awareness.

User Protections and Transparency Measures

The FSC has mandated proactive measures to warn users before forced liquidations occur, giving them time to react. Lenders must publicly disclose the status of loans by product and any instances of forced liquidation for greater transparency.

Exchanges are further obliged to monitor and cap concentrations in specific coins, addressing concerns over market manipulation and sudden price swings. These controls are enforced with the support of the Digital Asset Exchange Association (DAXA) and are subject to ongoing regulatory review.

South Korea’s Strategic Regulatory Shift

South Korea’s move comes as part of a wider effort to align its crypto market with international norms. The nation has also committed to the OECD’s Crypto-Asset Reporting Framework and is preparing for tighter information sharing by exchanges with tax authorities.

While market competition and crypto adoption continue to grow, the new guidelines send a clear message from regulators: investor protection and market stability are the top priorities for South Korea’s digital asset economy.

Sources

• South Korea caps crypto lending at 20%
  interest, bans leveraged loans, The Block.

• Yahoo Finance, Yahoo Finance.

• South Korea Tightens Rules on Crypto Lending Platforms, CryptoDnes.bg.

• South Korea caps crypto lending at 20% interest, bans
  leveraged loans, MEXC.

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