Ethereum delays Glamsterdam Hoodi testnet launch over security risks
Ethereum developers delayed the Glamsterdam hard fork on the Hoodi testnet due to security risks identified by ChainSecurity. The risks involve gas-related issues that could affect smart contracts and safeguards against insufficient gas griefing attacks. The Ethereum Foundation postponed the upgrade, originally scheduled for Oct. 26, to investigate further.
How this was made

The 30-second read
Why it matters
The postponement could slow adoption of new gas mechanics and affect projects planning around the upgrade.
Market read
First disclosure of a hard‑fork delay introduces short‑term downside risk for ETH and related DeFi protocols.
What to watch
Potential long‑term security improvements could benefit ETH once the fork is safely implemented.
Background
Ethereum’s Glamsterdam upgrade aims to change gas handling; security concerns have now delayed its testnet launch.
Ticker impact
Ethereum postpones the Glamsterdam hard fork on the Hoodi testnet due to newly identified gas‑related security risks.
downward pressure as market prices in the security‑risk delay
First report of a hard‑fork postponement; traders typically react negatively to unexpected protocol delays.
Market effects
May cause caution among DeFi and smart‑contract projects that rely on the upcoming gas model.
Primarily affects global crypto markets; no specific regional bias.
Relevant to all participants in the Ethereum ecosystem and broader crypto market.
Counterpoint
Some investors may view the delay as a chance to buy on lower prices before the eventual upgrade.
Key entities
- organizationEthereum Foundation
Entity coordinating the Glamsterdam upgrade.
- organizationChainSecurity
Security firm that identified the gas‑related risks.



