Ethereum Advances Glamsterdam Upgrade Ahead of Planned 2026 Launch

TheNewsCryptoPublished on 2026-06-17Last updated on 2026-06-17

Abstract

Ethereum developers have entered the final development phase for the Glamsterdam upgrade, targeting a mainnet launch in late 2026. The upgrade, combining the consensus layer "Gloas" and execution layer "Amsterdam," aims to significantly enhance Ethereum's Layer-1 performance. Key improvements include Enshrined Proposer-Builder Separation (ePBS) for better scalability and fairness, Block-Level Access Lists for increased transaction processing, and a gas repricing bundle expected to reduce Layer-1 fees by up to 70%. Currently undergoing comprehensive testing on development networks, Glamsterdam is viewed as Ethereum's most substantial scaling effort since The Merge, intended to improve transaction speed, cost, and the network's competitive position.

Ethereum developers are now in the final development phase of the Glamsterdam upgrade, which they plan to launch later this year. The development teams are now testing the Ethereum system on dedicated development networks while incorporating all the proposed Ethereum improvement proposals in a comprehensive testing environment. This is the last phase where developers will freeze the software and release it on public testnets.

Glamsterdam is one of Ethereum’s upgrades that comes after its Pectra and Fusaka upgrades. Ethereum designed the latest upgrade to improve the performance of its base layer. According to the network’s roadmap, the Glamsterdam upgrade aims to enhance Layer-1 scaling by improving transaction processing, data handling, and block verification across Ethereum.

It is a combination of a consensus layer upgrade called “Gloas” and an execution layer upgrade called “Amsterdam,” resulting in an overall system named “Glamsterdam,” which Ethereum developers plan to deploy in the latter half of 2026. The progress made through recent tests brings the implementation of the upgrade to the mainnet stage much closer.

Glamsterdam Aims to Provide Fast and Cheap Transactions

There are many improvements in the system, such as the Enshrined Proposer-Builder Separation (ePBS), that can increase Ethereum’s scalability. This involves integrating block-building into the Ethereum protocol itself, decreasing reliance on off-chain relay systems while ensuring fair transactions.

Another important characteristic is the Block-Level Access Lists, which ensure that more transactions can be processed at once by Ethereum. This enables the network to utilize computing power more effectively and facilitates throughput objectives of much greater magnitudes.

There is also a comprehensive gas repricing bundle, which will enable a significant reduction in fees related to Layer-1 transactions. As per industry experts, Ethereum intends to leverage these changes for making on-chain operations more affordable and ensuring better user experience during peak loads.

The Ethereum team estimates that these changes could lower Layer-1 fees by as much as seventy percent. Market analysts continue monitoring Glamsterdam closely because they view it as Ethereum’s most significant scaling effort since The Merge. They also expect the upgrade to strengthen Ethereum’s competitive position as rivalry among smart contract platforms grows.

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Related Questions

QWhat is the current development phase of Ethereum's Glamsterdam upgrade, and when is it planned to launch?

AEthereum developers are in the final development phase of the Glamsterdam upgrade, with a planned launch in the latter half of 2026.

QWhat are the two main components that combine to form the 'Glamsterdam' upgrade?

AGlamsterdam is a combination of a consensus layer upgrade called 'Gloas' and an execution layer upgrade called 'Amsterdam'.

QWhat are three key technical improvements introduced in the Glamsterdam upgrade to enhance Ethereum's performance?

AThree key improvements are: 1) Enshrined Proposer-Builder Separation (ePBS) to increase scalability, 2) Block-Level Access Lists to process more transactions simultaneously, and 3) a comprehensive gas repricing bundle to significantly reduce Layer-1 transaction fees.

QAccording to the Ethereum team, what is the potential impact of the Glamsterdam upgrade on Layer-1 transaction fees?

AThe Ethereum team estimates that the changes in the Glamsterdam upgrade could lower Layer-1 transaction fees by as much as seventy percent.

QHow do market analysts view the significance of the Glamsterdam upgrade for Ethereum?

AMarket analysts view Glamsterdam as Ethereum's most significant scaling effort since The Merge and expect it to strengthen Ethereum's competitive position amidst growing rivalry among smart contract platforms.

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