# How L1 and L2s can build the strongest possible Ethereum

DevFeed: [How L1 and L2s can build the strongest possible Ethereum](<https://devfeed.tech/articles/how-l1-and-l2s-can-build-the-strongest-possible-ethereum-17217.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2026/03/23/l1-l2-ethereum>)

Author: Josh Rudolf; Julian Ma; Josh Stark

Published: 2026-03-23T00:00:00Z

Content type: opinion

Language: en

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

Topics: [Ethereum](<https://devfeed.tech/topics/ethereum.md>), [interoperability](<https://devfeed.tech/topics/interoperability.md>), [Architecture & Design](<https://devfeed.tech/topics/architecture-design.md>), [DeFi](<https://devfeed.tech/topics/defi.md>)

Tags: [defi](<https://devfeed.tech/tags/defi.md>), [ecosystem](<https://devfeed.tech/tags/ecosystem.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [interoperability](<https://devfeed.tech/tags/interoperability.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [platform](<https://devfeed.tech/tags/platform.md>), [research-development](<https://devfeed.tech/tags/research-development.md>), [scale](<https://devfeed.tech/tags/scale.md>), [security](<https://devfeed.tech/tags/security.md>)

## AI overview

The article presents a perspective on how Ethereum's Layer 1 and Layer 2 networks can work together. It describes Layer 1 as a permissionless, resilient hub for settlement, shared state, liquidity, and DeFi, while Layer 2 networks provide differentiated features, customization, control, innovation, and additional scaling. It also discusses varying degrees of Layer 2 integration with Layer 1, including interoperability, shared liquidity, synchronous composability, and native rollups.

## Source excerpt

*The North Star of the Platform team is for Ethereum to scale as a cohesive system and enable confident adoption by all users. This post is intended to share our perspective on the L1 \ L2 relationship, the roles of each layer, and how we (as an ecosystem) are leveraging...