Optimism touts Korean institutions building on OP Stack

October 16, 2026

Optimism spotlighted South Korea as a fast-growing onchain market, citing four Korean institutions building on its stack. GIWA, the Ethereum L2 from Upbit (Korea's largest exchange), has surpassed 100 million testnet transactions. Toss, the super app used by 30M+ people, is exploring a won-backed stablecoin — a push that follows an MOU with Optimism and Sunnyside Labs for a three-month proof of concept.

DB Securities is tokenizing smart-farming and livestock assets as real-world assets
KB Securities signed an MOU to bring tokenized funds to Korean institutional investors
"Exchange. Super app. Securities firms. All on one stack," per Optimism

Sources

Korea is building onchain, and they’re choosing Optimism. @GIWA_by_Upbit, built by Korea’s largest exchange, has 100M testnet transactions and counting. @toss__official, Korea’s super app used by 30M+, is exploring a won-backed stablecoin. DB Securities, a securities and https://t.co/gWiaO7kYnQx.com ↗

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Optimism touts Korean institutions building on OP Stack — Outposts