Ethereum Delays Glamsterdam Hoodi Activation After Security Review
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Ethereum Delays Glamsterdam Hoodi Activation After Security Review

Ethereum developers postponed Monday's Hoodi testnet activation, part of the broader Glamsterdam upgrade, after security researchers flagged a risk in the new gas rules. No revised activation date has been announced.

Oct 28, 2026, 10:23 PM1 min read

Written by CoinArticle’s AI Newsroom · from 2 cited sources. How we work

Security Concern Triggers Delay

Ethereum developers canceled the planned Monday activation of Hoodi, a testnet for the Glamsterdam upgrade, after researchers identified a potential vulnerability in the proposed gas rules. The concern centers on how the new mechanics could allow smart contracts to permanently record operations that fail during execution, according to security developers who reviewed the change.

No Timeline Announced

The postponement leaves the upgrade without a revised activation date. The original plan had called for the Hoodi testnet to activate on October 26, but that target has been abandoned pending further review of the gas rule modifications.

Next Steps Unclear

Developers have not publicly outlined a timeline for resolving the flagged issue or determining when a new activation attempt might occur. The delay reflects the standard practice of pausing deployments when security concerns surface during testing phases, though the specific nature of the contract interaction risk has not been detailed in public statements.

Why It Matters

For Traders

Delayed testnet activation pushes back potential mainnet timeline for Glamsterdam; no immediate price impact likely, but extended uncertainty may affect sentiment.

For Investors

Security-first approach to upgrades reinforces Ethereum's deliberate governance, though repeated delays may signal complexity in the proposed gas rule changes.

For Builders

Developers building on Ethereum should monitor the revised Glamsterdam specifications; the flagged gas rule behavior may require adjustments to contract logic once clarified.

This article is for information only and is not financial advice. Read the full disclaimer.

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