BuilderNet: Ethereum’s First Collaborative Builder Network

Infinite Jungle

On Ep. 72 of Infinite Jungle, Christine speaks with Robert Miller, Product Lead at Flashbots, and Lily Johnson, Rust Engineer at Astria Labs, about the launch of BuilderNet. BuilderNet is Flashbot’s latest product designed to enable collaborative block building on Ethereum. It allows third-party builders to create blocks based off shared private order flow. It also incentivizes users, wallets, and apps to share their order flow with BuilderNet and earn kickbacks from the MEV created from their transactions. Christine and Lily grill Robert about the design of BuilderNet, its timeline, and motivation.

Guests:

Name: Robert Miller

Title: Product Lead at Flashbots

X: https://x.com/bertcmiller

Name: Lily Johnson

Title: Rust Engineer at Astria Labs

X: https://x.com/lobstermindset

Show note links:

• BuilderNet docs (https://buildernet.org/docs)
• Relayscan data (https://www.relayscan.io/)
• Infinite Jungle episode about RollupBoost and EIP 7727 (https://www.galaxy.com/insights/podcasts/infinite-jungle/the-most-pressing-challenges-to-solving-the-mev-problem/)

Timestamps:

(00:02:43) How does BuilderNet compete in the MEV-Boost auction?

(00:08:08) How does the BuilderNet MEV refund rule work?

(00:11:33) Why did Beaverbuild join BuilderNet?

(00:15:09) How do builders compete in BuilderNet?

(00:19:31) How transparent is BuilderNet activity?

(00:30:12) BuilderNet next steps

This episode was recorded on Friday, December 13, 2024.

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