The Block · 8/5/2026

World Chain beats Ethereum to the punch with Flashblocks launch

World Chain beats Ethereum to the punch with Flashblocks launch

World Chain isn't waiting for Ethereum's road map to solve slow transaction speeds. The layer-2 network officially activated streaming block access lists on its mainnet this Saturday, August 17. By integrating Flashblocks, the chain now provides real-time data flow to builders before a block is even finalized. It's a technical first for production-grade rollups. While Ethereum developers eye the Glamsterdam upgrade for similar functionality later this year, World Chain's early move cuts down latency for high-frequency applications. The update specifically targets the bottleneck between transaction submission and inclusion, giving developers a head start on building more responsive apps. Whether this gives the Worldcoin-backed network a lasting edge over rival L2s depends on how quickly liquidly migrates to the new infrastructure. Will other Optimism-based chains follow suit before the year ends?

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