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Fusaka has completed the final testing for the upgrade and will go live on the mainnet around December 3rd

Oct 29, 2025 08:54:00

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ChainCatcher message, the Ethereum Fusaka upgrade has passed the final testnet and is expected to go live on the mainnet around December 3rd.

Hoodi was the last to pass the Fusaka simulation run among the three testnets, the other two being the Holesky and Sepolia networks, and has successfully conducted upgrade testing. The Ethereum Fusaka upgrade will reduce transaction costs and improve efficiency by expanding blob storage and implementing PeerDAS, thereby enhancing Layer 2 scalability. This change could increase blob space by over 400%, marking an important step for Ethereum towards faster transaction speeds and lower costs.

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