Programmable financial infrastructure for enterprises. Built by Ethereum’s earliest scaling researchers.

Global
Based in United States
The Optimism team is headed to Korea 🇰🇷 Join co-founder @jinglejamOP at @0xEastPoint on September 28 for a roundtable.
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$USDT flows on OP Mainnet. $185M → $305M since July.
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Optimism retweeted
Excited to announce that ether.fi is the Official Card Partner of @TOKEN2049 Singapore! We're hosting The EtherFi Lounge at Marina Bay Sands on Oct 7-8. Food, drinks, and an actual place to sit down and talk away from the floor. Open to all cardholders. More details → ether.fi/token2049-singapore
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The biggest name in Korean finance is coming onchain for the first time with Optimism. KB Securities, part of Korea's largest bank, is partnering with Optimism and @Securitize to bring tokenized financial products to OP Mainnet. First we’re building a tokenized bond. Equities and more next.
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Asia is home to an estimated ~300 million crypto holders. Crypto in places like Seoul, Tokyo, Singapore, and Hong Kong isn’t fringe. It’s just finance. And the biggest players in the region are choosing the OP Stack. Asian financial institutions and crypto builders need infrastructure that: ◼️ Meets local regulatory requirements ◼️ Supports high trading volume ◼️ Plugs into Ethereum's liquidity and user base The OP Stack lets them own the chain without building from scratch. Who’s building on OP: ◼️ @GIWA_by_Upbit, being built by @Official_Upbit, South Korea's largest exchange with 13M+ registered users. ◼️ @mitsuiandco brought @zipangcoin, a precious metals backed token, to OP Mainnet. ◼️ @toss__official, Korea’s largest fintech super app, and @komsco, the Korea Minting, Security Printing, and ID Card Operating Corporation, just ran a full local-currency payment cycle on the OP Stack. We’ll be on the ground at @kbwofficial and @token2049. See you there.
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Every institution has slightly different requirements. Carlos Arena, VP of Sales, explains how L2s can be customized around specific needs, from transaction ordering and sequencing policies to how different users are prioritized. Speaking at @rwasummit:
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We’re helping small businesses get paid faster and save on transaction fees in South Korea. @toss__official, Korea’s largest fintech super app, and @komsco, the Korea Minting, Security Printing, and ID Card Operating Corporation, just ran a full local-currency payment cycle on the OP Stack. This included loading funds onto a certificate, spending at a merchant, and settling. All in one single pass. The Toss app bundles everything from payments to loans and insurance in one app, and has the majority of Korean adults onboard. With the help of KOMSCO, the government body that prints banknotes and coins, and the power of the OP Stack, crypto payments are coming to 🇰🇷
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Find us in the Upbit Zone next week 🇰🇷
Meet the first wave of Bronze Sponsors @Memeland • @BasedOneX • @flock_io • @injective • @Optimism • @chainlink • @HypeStrat • @CantonFdn • @Ondo • @Talus_Labs • @metaplex • @PancakeSwap 📍 September 30 – October 1 | Walkerhill Hotels & Resorts, Seoul Time is running out. Get your tickets now and use code KBW2026SNS at checkout for 10% off ⬇️
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See you at Mondo ☕️
Singapore, we’re serving affogatos with @Optimism. Come by Mondo for coffee, gelato, and a good afternoon. RSVP: luma.com/altitude-OPLabs-aff…
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Plenty happened across the Optimism Ecosystem this week. Let’s catch up ↓
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Optimism is heading to Korea Blockchain Week 🇰🇷 Going to be in Seoul? Come say hi and drop by the Optimism booth.
See you soon 👀
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