Circle has signed separate payment infrastructure agreements with Korean tech giant Kakao Group and fintech firm Toss, deepening its push into South Korea's financial ecosystem. The memorandums of understanding establish frameworks for technical testing of blockchain payment rails, digital asset integration, and cross-border settlement, though no commercial products are being launched at this stage. The agreements come as Korean regulators continue developing the country's stablecoin rules, seeking to establish guardrails in one of the world's most active retail cryptocurrency markets.

Kakao Partnership: KRW Stablecoins, Remittances, and Merchant Settlement

Kakao intends to connect Circle stablecoin payments with its extensive consumer and financial network, which includes KakaoTalk, Kakao Pay, and KakaoBank. This integration would bridge Circle's infrastructure with platforms that form the backbone of daily digital life for tens of millions of South Korean consumers. The two companies will jointly evaluate payment, settlement, and digital asset services bridging blockchain networks with conventional financial systems.

Circle Kakao Group — Jeremy Allaire – jerallaire.arc (@jerallaire) July 23, 2026

Circle Kakao Group

The partnership also encompasses potential KRW stablecoins and tokenized financial products. Kakao aims to explore overseas remittances, merchant settlement, and faster global payment processing. While the company's platforms could provide future services access to a substantial domestic user base, no launch date has been disclosed.

Kakao Pay leads the group's stablecoin task force. The company indicated the agreement could support infrastructure for other Korean businesses as well. This approach positions Circle as a technology and connectivity provider rather than a direct issuer of a won-backed token.

Toss Partnership: USDC Payments, Wallets, and Onchain Services

Toss and Toss Bank will separately explore Circle stablecoin payments across wallets, banking, and onchain services. Areas of focus may include USDC payments, biometric authentication tools, and programmable transactions. Toss Bank plans to examine connections between stablecoin infrastructure, bank accounts, and existing fiat payment networks. Given Toss Bank already collaborates with the Solana Foundation on blockchain payment and overseas settlement infrastructure, these integrations could leverage high-speed, low-cost layer-1 networks.

Compliance is integrated into the planned work. The companies will review security protocols, risk controls, and anti-money laundering requirements in parallel with regulatory framework development.

Circle's Broader Korean Strategy

Circle has steadily expanded its Korean partnerships over recent months. In April, the company signed agreements with Upbit and Bithumb to support USDC adoption and broader technical cooperation. Those two exchanges frequently account for more than 95% of daily cryptocurrency trading volume in South Korea, providing Circle with a massive base of existing crypto users.

The new agreements with Kakao and Toss extend that strategy beyond exchanges into payments, banking, and consumer platforms, giving Circle access to multiple segments of Korea's financial system. As Circle pursues broader global utility and market share against competitor Tether, establishing deep roots in South Korea's highly active fintech sector provides a critical strategic foothold. Circle has stated that its preferred model links local won instruments with USDC for cross-border use.

USDC supply stood near $74.4 billion on Thursday, compared with approximately $184.3 billion for Tether's USDT. Any commercial launch in Korea will depend on product design, regulatory approval, and finalized operating agreements, leaving market participants to watch closely how the country's specific stablecoin guidelines ultimately take shape.