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Ethereum is developing an Interop Layer to unify the L2 ecosystem
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Goal is to remove bridge complexity and fragmented balances
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Wallets and apps become multichain by default
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Built on ERC 4337 account abstraction
Aiming To Bring the Ethereum Experience Back Together
Ethereum’s fast expansion into Layer 2 networks improved scalability but also created fragmentation. Users must switch networks, bridge assets, and manage multiple balances. The Ethereum Foundation’s new Interop Layer is designed to fix that by making all L2s feel like one unified environment.
The goal is to give users the simplicity of early Ethereum while keeping the advantages of the rollup roadmap.
A Wallet Based Approach
Instead of adding another bridge or forcing coordination across L2s, the Interop Layer builds around wallets. Wallets and dapps become multichain native by default. Users can move assets or interact with apps across the ecosystem without selecting a specific chain.
Rollups are automatically compatible as long as they follow standard guidelines.
Powered by Account Abstraction
The Interop Layer relies on ERC 4337, which allows accounts to operate like smart contracts. This makes room for programmable multichain actions, better user flows, and smoother interactions for developers and end users.
A testing environment is already live, allowing developers to try the system during Devconnect.
Reducing Fragmentation Across the L2 Landscape
If successful, the Interop Layer could remove most of the friction created by separate rollups, helping Ethereum operate like a single large network again.
