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Korea’s TOSS to Launch on Optimism’s OP Stack

Twitter icon  •  Published 3 hours ago on July 9, 2026  •  Hassan Maishera

On Wednesday, the Optimism team announced via X that TOSS - Korea's fastest-growing fintech is coming to the OP Stack.

Korea’s TOSS to Launch on Optimism’s OP Stack

On Wednesday, the Optimism team announced via X that TOSS - Korea's fastest growing fintech is coming to the OP Stack.

Over the next three months, Optimism, Privacy Boost, and Toss will run a proof of concept for a Won-backed stablecoin on the OP Stack, testing whether money can settle onchain while meeting Korea's compliance, privacy, and control standards.

Toss, founded in 2015 with Korea's first free P2P transfers, is now a daily financial control center for 60% of the country. Korea is also one of the most crypto-engaged markets anywhere, with an estimated 16M people actively trading digital assets.

Optimism’s main utility is to batch transactions on the Optimism network. Optimism allows users to enjoy lower gas fees on their transactions executed on the Optimism network through optimistic roll-up technology. 

Optimism (OP) is a layer-two blockchain on top of Ethereum. Optimism benefits from the security of the Ethereum mainnet and helps scale the Ethereum ecosystem by using optimistic rollups. That means transactions are trustlessly recorded on Optimism but ultimately secured on Ethereum.

Optimism is one of the biggest scaling solutions for Ethereum, with over $500 million in TVL. It is home to 97 protocols, the biggest being Synthetix (SNX), a derivatives exchange, Uniswap (UNI), a DEX, and Velodrome (VELO), an AMM. Users can begin their journey on Optimism by adding the chain to their Metamask and bridging tokens like ETH to the L2. On May 31, 2022, Optimism conducted a highly anticipated airdrop of its OP token.

OP is trading at $0.1045, up 7.6% in the last 24 hours. 

 

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Hassan Maishera

Hassan is a Nigeria-based financial content creator that has invested in many different blockchain projects, including Bitcoin, Ether, Stellar Lumens, Cardano, VeChain and Solana. He currently works as a financial markets and cryptocurrency writer and has contributed to a large number of the leading FX, stock and cryptocurrency blogs in the world.