Ethereum Glamsterdam Upgrade Delayed After ChainSecurity Warning: 8 Broken Invariants Threaten 200k Contracts

According to ChainSecurity and the Ethereum Foundation, Ethereum developers delayed the Glamsterdam upgrade on the Hoodi testnet after auditing revealed that proposed gas-accounting changes could break assumptions in existing smart contracts. The Ethereum Foundation has catalogued eight such broken invariants, with pseudonymous developer banteg estimating roughly 200,000 potentially affected contracts.

The dispute centers on EIP-8037, which raises the base gas charge for creating a smart contract from 32,000 to 183,600, and EIP-8038, which adjusts charges for accessing blockchain state. On November 8, developers Leo Glisic and Giulio Rebuffo submitted competing proposals to address the compatibility issues, but neither has been approved for inclusion. The Hoodi testnet activation was postponed on October 22, four days before its scheduled October 26 launch, with devnet estimated for mid-to-late November at the earliest.

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