Meet Giulio, CTO of Erigon

On Ep. 82 of Infinite Jungle, Christine interviews Giulio Rebuffo, CTO of Erigon. At only 17 years old, Giulio started to contribute to Erigon, one of Ethereum’s open-source execution layer software clients. He was the main engineer for the Erigon team during the pivotal Merge upgrade and now 22, Giulio leads the Erigon team as CTO. Christine asks Giulio about his experience working in crypto as an Ethereum protocol developer and his thoughts about Ethereum’s technical roadmap as developers look ahead to scoping out the Fusaka upgrade.

Guest:

Name: Giulio Rebuffo

Title: CTO of Erigon

X: https://x.com/GiulioRebuffo                

Show note links:

• Background on the Ethereum Gas Limit project (https://eglvote.medium.com/introducing-the-ethereum-gas-limit-project-egl-3f17c7706e73)
• Vitalik’s blog post on increasing the block gas limit (https://vitalik.eth.limo/general/2025/02/14/l1scaling.html)

Timestamps:

(00:00:55) How Giulio became an Ethereum developer

(00:08:00) The ideal Fusaka scope

(00:18:02) The importance of increasing Ethereum’s block gas limit

(00:22:14) Why ePBS has a shot in Fusaka but not SSZ

(00:25:31) What would make Giulio leave Ethereum

This episode was recorded on Friday, February 14, 2025.

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