# Protocol Update 001 - Scale L1

DevFeed: [Protocol Update 001 - Scale L1](<https://devfeed.tech/articles/protocol-update-001-scale-l1-17176.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2025/08/05/protocol-update-001>)

Author: Ansgar Dietrichs; Tim Beiko; Marius van der Wijden

Published: 2025-08-05T00:00:00Z

Content type: release

Language: en

Sources: [Ethereum Foundation Blog](<https://devfeed.tech/sources/ethereum-foundation-blog.md>)

Topics: [Ethereum](<https://devfeed.tech/topics/ethereum.md>), [Development](<https://devfeed.tech/topics/development.md>), [benchmarking](<https://devfeed.tech/topics/benchmarking.md>), [Security](<https://devfeed.tech/topics/security.md>)

Tags: [benchmarking](<https://devfeed.tech/tags/benchmarking.md>), [development](<https://devfeed.tech/tags/development.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [performance](<https://devfeed.tech/tags/performance.md>), [protocol](<https://devfeed.tech/tags/protocol.md>), [research-development](<https://devfeed.tech/tags/research-development.md>), [scale](<https://devfeed.tech/tags/scale.md>), [security](<https://devfeed.tech/tags/security.md>), [updates](<https://devfeed.tech/tags/updates.md>)

## AI overview

The Ethereum Foundation's Protocol update outlines progress on the Scale L1 work stream, including a mainnet gas-limit increase to 45M, client support for Pre-Merge History Expiry, consideration of Block-Level Access Lists, benchmarking initiatives, and prototyping toward real-time zkEVM proving.

## Source excerpt

In June, we introduced Protocol, reorganizing the Ethereum Foundation's research & development teams to better align on our current strategic goals, Scale L1, Scale Blobs, and Improve UX without compromising on our commitment to Ethereum's security and hardness. Over the coming weeks, we'll publish updates on each work stream,...