Toss, Optimism, and Sunnyside Labs partner to test KRW stablecoin on OP Stack.
On July 8, 2026, Toss, a South Korean fintech company, announced a partnership with Optimism and Sunnyside Labs to explore the development of a Korean won (KRW) stablecoin. The collaboration aims to conduct a proof-of-concept test using the OP Stack to evaluate the feasibility of building a compliant, blockchain-based financial infrastructure for the KRW stablecoin. This initiative represents a step toward technical validation for KRW stablecoin use cases and is scheduled to run over the coming months.
Key points
- Toss, Optimism, and Sunnyside Labs partner to test KRW stablecoin on OP Stack.
Sources
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