Ethereum Delays Glamsterdam Hoodi Testnet Launch Amid Security Concerns

10/23/2026

Ethereum developers have postponed the Glamsterdam hard fork scheduled for the Hoodi testnet after security researchers flagged potential flaws tied to the upgrade’s gas mechanics. The Ethereum...

10/23/2026

ChainSecurity said it identified 13 real-world examples of smart contracts potentially affected by Glamsterdam’s gas changes and is coordinating responsible disclosure with affected projects.

10/23/2026

Ethereum developers delayed the Glamsterdam hard fork deployment on the Hoodi testnet after security experts identified potential gas-accounting adjustments, which could affect the functioning of...

10/23/2026

Ethereum delayed its October 26 Glamsterdam Hoodi upgrade after ChainSecurity flagged gas-accounting risks that could affect existing smart contracts.

10/23/2026

Ethereum delays the Glamsterdam upgrade after smart contract security concerns, pushing Hoodi testnet activation off schedule.

10/23/2026

Lido is preparing a Hoodi testnet rollback after Ethereum developers postponed the Glamsterdam upgrade to investigate potential security issues.

10/23/2026

Mainnet ETH holders and users do not need to take any action, since this change only touches the Hoodi test network and its operators.

10/23/2026

Developers canceled Monday's Hoodi activation after researchers showed how new gas rules could let smart contracts permanently record failed operations.

10/22/2026

Node operators are being told to use software without the scheduled fork, while mainnet activation remains undecided.... Read the full story at The Defiant