Ethereum Glamsterdam Upgrade Delayed Over Security Risks
Ethereum developers postponed the Glamsterdam upgrade on the Hoodi testnet due to security risks with smart contracts. The Ethereum Foundation canceled the October 26 activation, with no new date set. ETH is trading near $2,400, and the delay adds uncertainty to the upgrade timeline. Developers need more time to investigate gas-accounting changes and their impact on existing contracts.
How this was made

The 30-second read
Why it matters
The postponement removes a short‑term bullish catalyst, keeping ETH near its current trading range. Traders will watch for a new testnet schedule before reassessing price direction.
Market read
The news is relevant for crypto traders focused on ETH price action and for developers monitoring upgrade timelines.
What to watch
Potential impact on DeFi protocols that rely on gas‑accounting assumptions and on projects planning to launch on Glamsterdam.
Background
Ethereum's Glamsterdam upgrade aims to improve gas accounting and introduce proposer‑builder separation. The Hoodi testnet was scheduled for October 26 but was cancelled due to identified security risks.
Ticker impact
Ethereum developers postponed the Glamsterdam upgrade on the Hoodi testnet after security concerns were identified, creating uncertainty around the upgrade timeline.
likely sideways pressure as uncertainty persists
No new catalyst for upside or downside; the postponement removes a near‑term positive catalyst but does not imply a negative fundamental shift.
Market effects
The delay highlights ongoing security scrutiny in the broader blockchain development sector.
Minimal; the news is specific to Ethereum and does not affect regional equity markets.
Limited to crypto markets and participants tracking Ethereum upgrades.
Counterpoint
If the delay leads to a more secure upgrade, it could boost confidence and trigger a rally once the new test date is set.
Key entities
- OrganizationEthereum Foundation
Entity overseeing the Ethereum network and its upgrade roadmap.
- Security FirmChainSecurity
Identified the gas‑accounting security concerns prompting the delay.



