Pectra Mainnet Announcement

The Pectra network upgrade is scheduled to activate on the Ethereum mainnet on May 07, 2025 at epoch 364032 (10:05:11 UTC)! Mainnet client releases are listed below….

Announcing Ethereum Protocol Fellowship Cohort 6

TL;DR: Review the program details for EPF6 🔎 Applications for EPF6 are open until April 30 📝 An introductory town hall will be held for an overview and questions on April 21 at 4PM UTC 🎙️ We are excited to announce that the applications……

Ethereum Protocol Fellowship Cohort 5 Recap

TL;DR: The EPF successfully concluded the fifth cohort, Study Group 2025 and is preparing for cohort six (EPF6). Applications will be announced soon, keep an eye on the EF blog! In the meantime, get ready by enhancing your Ethereum protocol knowledge a…

Checkpoint – March 2025

Ethereum’s weekly All Core Developer calls are a lot to keep up with, so this “Checkpoint” series aims for brief high-level updates with a target cadence of every 4-5 calls, depending on what’s happening in core development. See the initial update here…

Holesky and Hoodi Testnet Updates

The Pectra testnet activation revealed issues in clients with deposit contract configurations changes on Ethereum testnets. While Sepolia’s recovery was straightforward and the network has since fully recovered, Holesky experienced extensive inactivity…

Ethereum Foundation Board of Directors Update

We are pleased to announce that Hsiao-Wei Wang is joining the Ethereum Foundation’s Board of Directors. The current board members now include Aya Miyaguchi (President) , Vitalik Buterin (Founder), Patrick Storchenegger (Swiss council) and Hsiao-Wei Wan…

Mekong Deprecation Announcement

The Mekong devnet was meant to be a playground for wallet developers to experiment with UX changes and for stakers to gain confidence in the upcoming Pectra changes. The Pectra network upgrade has been activated on the Ethereum Sepolia and Holesky tes…

Sepolia Pectra Incident Update

At 7:29 UTC today, on epoch 222464, the Pectra network upgrade went live on the Sepolia testnet. Unfortunately, an issue with Sepolia’s permissioned deposit contract prevented many execution layer clients from including transactions in blocks. The roo…

Welcoming a new EF leadership structure

The Ethereum Foundation is thrilled to announce a new leadership structure, welcoming Hsiao-Wei Wang and Tomasz Stańczak as co-Executive Directors effective March 17th. This marks an exciting new chapter in the Foundation’s evolution as we continue to …

Audit Results for the Pectra System Contracts

The security of the Ethereum protocol is continually being improved, and one recent effort is the external security review of the Pectra System Contracts. The results of this review can be found in the audits repository, and the TL;DR is that all disc…

A new chapter in the infinite garden

My dear Ethereum community, Today, I’m excited to turn the page and share that I will be closing this chapter as Executive Director of the Ethereum Foundation soon and stepping into a new role as its President. This new opportunity will allow me to co…

Pectra Audit Competition Launches on Cantina

Today, we’re excited to announce the Pectra Audit Competition, kicking off on Cantina! This month-long event will run from February 21 to March 24, and we’re excited to see what issues the security community can find….

Stories from Bangkok: Devcon SEA Scholars Program

Across different disciplines and geographies, builders are exploring how Ethereum fits into their work and communities. The Devcon SEA Scholars Program brought together 93 of these individuals in Bangkok who are bridging Ethereum with other worlds and …

Allocation Update – Q4 2024

The new year may be here, but we’re still inspired by the incredible projects funded in Q4 2024. Check out the table below for an overview of the grantees shaping the future with their work!…

Ethereum Protocol Studies 2025

tl;dr: Ethereum Protocol Studies is returning for 2025. Visit epf.wiki to fill out the survey and join the town hall on Wednesday, Feb 12. The Ethereum Protocol Studies program (EPS) is back for 2025! Designed to lower the barrier to understanding Eth…

From quarters to cycles: accelerating ethereum.org

We’re evolving how we build ethereum.org. Starting January 20th, we’ve adopted Shape Up cycles – focused 6-week build periods followed by 2-week cooldowns. For Cycle 1, each project below will ship by the end of February – no automatic rollovers to nex…

ethereum.org Year in Review

2024 was a great year for ethereum.org, and as we already have our hands full with projects and initiatives for 2025, it’s important to take a moment to celebrate the achievements made possible by the community this past year. With that in mind, we’ve…