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devcon8 / building the epbs builder in lodestar

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Building the ePBS Builder in Lodestar preview
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Building the ePBS Builder in Lodestar

Duration: NaN:NaN:NaN

Speaker: Marko Lazic

Type: CLS - EPF Talk

Expertise: Some familiarity with the topic

Event: Devcon

Date: Nov 2026

Our EPF project centered on the EIP-7732 ePBS builder for Lodestar, part of preparing the client for the upcoming Gloas fork. We'll cover what we set out to build, how the design evolved, and the challenges along the way, including a spec that was still moving while we implemented against it. That led to contributions to beacon-APIs alongside the client work itself. Our work also went beyond the builder, helping Lodestar prepare for the fork more broadly. We'll close with where the builder stands today, producing blocks on Sepolia, what's merged and what is yet to be, and what comes next.

Categories

Core ProtocolConsensusMEV