Ethereum developers have postponed the Glamsterdam upgrade on the Hoodi testnet after security researchers discovered a flaw that could turn temporary smart contract failures into permanent losses of functionality. Chainsecurity identified 13 deployed contracts with potentially vulnerable behavior. The Oct. 26 activation has been canceled, putting Ethereums tentative December mainnet upgrade window in doubt while []
Ethereum Delays Glamsterdam Testing After 13 Contracts Trigger Concerns
Bitcoin.com - 23 Oct 2026 23:10
Ethereum developers have postponed the Glamsterdam upgrade on the Hoodi testnet after security researchers discovered a flaw that could turn temporary smart contract failures into permanent losses of functionality. Chainsecurity identified 13 deployed contracts with potentially vulnerable behavior. The Oct. 26 activation has been canceled, putting Ethereums tentative December mainnet upgrade window in doubt while []
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