Viva Republica Signs MOU With Optimism and Sunnyside Labs for Won-Pegged Stablecoin Pilot

Viva Republica, the operator of Toss, has signed a memorandum of understanding with Optimism and Sunnyside Labs to run a three-month proof of concept for a won-pegged stablecoin. According to NS3.AI, the pilot will evaluate whether Optimism’s OP Stack can support South Korea’s digital financial infrastructure. Under the agreement, the companies plan to assess the technical suitability of OP Stack for stablecoin-related use cases tied to the Korean won. The proof of concept is scheduled to last three months.