lean Ethereum Part 5: Devnets & Upgrade Coordination with Will and Raúl

https://youtu.be/Ul2bs8INF0k In this episode Nico Mohnblatt chats with Will Corcoran and Raúl Kripalani from the Ethereum Foundation. This is part 5 in the 6-part leanEthereum miniseries, shifting focus from the cryptographic primitives and LeanVM stack to the real-world integration happening through devnets, specs, and cross-team coordination. They dive into the human coordination layer, how independent teams align on post-quantum signatures, SNARK aggregation, and protocol changes, plus the networking upgrades needed for larger payloads. Raúl explains the shift from today's libp2p stack to a purpose-built Eth P2P next-gen version optimised for Ethereum's workloads, including better broadcast layers, erasure coding, and control planes to handle bandwidth competition between execution and consensus layers. Related Links

• lean Ethereum Part 1: Introduction with Justin Drake
• lean Ethereum Part 2: PQ Signatures and Poseidon with Dmitry and Benedikt
• lean Ethereum Part 3: Security of PQ SNARKs and an update about the Proximity Prize
• lean Ethereum Part 4: leanVM, a Custom VM for Signature Aggregation
• lean Ethereum
• Lean Consensus R&D Progress
• Ethereum Foundation

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