Ethereum’s Glamsterdam Upgrade: Can ETH Finally Catch Up with Bitcoin?

Ethereum enters Q4 2026 with a major protocol catalyst, stronger market momentum, and a significant recovery in the first half. These factors combined could help Ethereum to finally close some of its distance to Bitcoin.

What Is Ethereum’s Glamsterdam Upgrade?

The Ethereum Glamsterdam upgrade is the network’s next major hard fork after Fusaka. It combines execution and consensus layer changes to scale layer 1, as well as improve the practicality of validation for independent node operators.

Related: Top 10 Undervalued Cryptocurrencies That Could Outperform Bitcoin in Q4 2026

When Will Glamsterdam Launch on Ethereum Mainnet?

The Ethereum Glamsterdam launch date remains unconfirmed, but developers expect it in Q4 2026. Sepolia testing has begun in early October. As with all major upgrades, the Ethereum Glamsterdam activation date depends on testnet stability, client readiness, and security reviews.

Why Glamsterdam Matters for Ethereum’s Next Growth Phase

Ethereum has been relying on layer-2 and cheaper data availability solutions to scale for years. Glamsterdam brings more attention back to layer-1 execution and capacity, while layer-2 adoption will continue to grow alongside it.

How Glamsterdam Builds on the Fusaka Upgrade