Unchained ETH's HTTP Moment? How Ethereum Interop Layer Hopes to Fix L2 Fragmentation - Ep. 953
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Nov 20, 2025 
In a riveting discussion, Yoav Weiss and Marissa Posner from the Ethereum Foundation dive into the Ethereum Interop Layer (EIL). Yoav, focused on security, explains how EIL aims to solve layer 2 fragmentation, while Marissa discusses its user experience goals and the importance of trustlessness for seamless interoperability. They highlight the potential of EIL to unlock new uses and spark vibrant activity on Ethereum, comparing it to a revolutionary HTTP moment. Their insights also touch on security trade-offs, wallet-driven transactions, and the future of decentralized applications.
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Two-Month Onboarding Frustration
- Yoav described his long onboarding struggle that motivated his account abstraction work.
- That experience pushed him to solve onboarding and UX without adding intermediaries.
Wallet-Controlled Trustless Cross-Chain UX
- Ethereum Interop Layer (EIL) aims to let users transact across L2s without adding new trust assumptions.
- It makes multi-chain flows feel like one chain by having users self-submit transactions from their wallets.
Verify RPC Data, Don’t Trust It Blindly
- Reduce blind trust in RPCs and intermediaries by verifying returned data on-chain.
- Use client contracts and verification standards to shrink attack surfaces exposed by third parties.