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Ethereum Tests Larger Blocks on Testnet as Solana Prepares Alpenglow Upgrade

Ethereum's Hoodi testnet is set to test a 200 million gas limit, while Solana approaches its own Alpenglow upgrade.

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Ethereum's development team has scheduled the Glamsterdam upgrade on the Hoodi testnet for October 26, 2026, raising its gas limit to 200 million. The test follows activation on Sepolia earlier in the month, with no mainnet deployment date confirmed.

The Glamsterdam release integrates enshrined proposer-builder separation and block-level access lists to enhance block construction and execution efficiency. In parallel, Solana is preparing for its own Alpenglow upgrade scheduled for October 21.

As of October 18, Solana traded around $103, reflecting a 5.2% weekly decline, while Ether traded near $2,395 after falling 3.4% over the same period.

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