Welcoming a new EF leadership structure
https://blog.ethereum.org/en/2025/03/01/leadership-announcement
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 support a growing Ethereum ecosystem....
https://blog.ethereum.org/en/2025/03/01/leadership-announcement
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 support a growing Ethereum ecosystem....
Sepolia Pectra Incident Update
https://blog.ethereum.org/en/2025/03/05/sepolia-pectra-incident
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 root cause was identified within minutes, and client teams immediately began working on...
https://blog.ethereum.org/en/2025/03/05/sepolia-pectra-incident
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 root cause was identified within minutes, and client teams immediately began working on...
Devconnect 2025 - An “Ethereum World’s Fair” in Buenos Aires
https://blog.ethereum.org/en/2025/03/05/devconnect-2025
We’re excited to announce that the next Devconnect will be held in Buenos Aires, Argentina, from November 17th to the 22nd, 2025! This year, we are aiming for something bigger than just Devconnect: We want to support an effort that the local community has already started — bringing Argentina...
https://blog.ethereum.org/en/2025/03/05/devconnect-2025
We’re excited to announce that the next Devconnect will be held in Buenos Aires, Argentina, from November 17th to the 22nd, 2025! This year, we are aiming for something bigger than just Devconnect: We want to support an effort that the local community has already started — bringing Argentina...
Mekong Deprecation Announcement
https://blog.ethereum.org/en/2025/03/06/mekong-devnet
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 testnets. These networks can now be used to...
https://blog.ethereum.org/en/2025/03/06/mekong-devnet
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 testnets. These networks can now be used to...
Ethereum Foundation Board of Directors Update
https://blog.ethereum.org/en/2025/03/09/board-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 Wang (Co-ED). As this transition unfolds, the board will share further updates on its...
https://blog.ethereum.org/en/2025/03/09/board-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 Wang (Co-ED). As this transition unfolds, the board will share further updates on its...
Holesky and Hoodi Testnet Updates
https://blog.ethereum.org/en/2025/03/18/hoodi-holesky
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 leaks as part of its recovery mechanism. The Holesky network has since then finalized, but the exited...
https://blog.ethereum.org/en/2025/03/18/hoodi-holesky
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 leaks as part of its recovery mechanism. The Holesky network has since then finalized, but the exited...
Checkpoint - March 2025
https://blog.ethereum.org/en/2025/03/25/acdcheckpoint-001
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. All subsequent updates will be hosted here on...
https://blog.ethereum.org/en/2025/03/25/acdcheckpoint-001
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. All subsequent updates will be hosted here on...
Ethereum Protocol Fellowship Cohort 5 Recap
https://blog.ethereum.org/en/2025/04/10/epf-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 at EPF.wiki and sign up for the newsletter to...
https://blog.ethereum.org/en/2025/04/10/epf-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 at EPF.wiki and sign up for the newsletter to...
Announcing Ethereum Protocol Fellowship Cohort 6
https://blog.ethereum.org/en/2025/04/10/epf-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...
https://blog.ethereum.org/en/2025/04/10/epf-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...
Destino Devconnect - A local grant round to bring Argentina onchain
https://blog.ethereum.org/en/2025/04/22/destino-devconnect
We’re kicking off the road to Devconnect in Buenos Aires (Nov 17–22) with Destino Devconnect, a community-powered push to bring Argentina onchain. From now until November, we’re inviting local builders, organizers, and enthusiasts to unite under one banner to accelerate Ethereum adoption in Argentina and across Latam....
https://blog.ethereum.org/en/2025/04/22/destino-devconnect
We’re kicking off the road to Devconnect in Buenos Aires (Nov 17–22) with Destino Devconnect, a community-powered push to bring Argentina onchain. From now until November, we’re inviting local builders, organizers, and enthusiasts to unite under one banner to accelerate Ethereum adoption in Argentina and across Latam....
Pectra Mainnet Announcement
https://blog.ethereum.org/en/2025/04/23/pectra-mainnet
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....
https://blog.ethereum.org/en/2025/04/23/pectra-mainnet
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....
10 Years of Ethereum
https://blog.ethereum.org/en/2025/04/24/ten-years
On July 30th at 3:26:13 PM +UTC, Ethereum will celebrate 10 years since the genesis block. _Ethereum has come a long way. It came to life, survived and thrived against all odds, and led to breakthroughs in tokenization, fundraising, DeFi and digital ownership. It's bootstrapped entire industries, and is...
https://blog.ethereum.org/en/2025/04/24/ten-years
On July 30th at 3:26:13 PM +UTC, Ethereum will celebrate 10 years since the genesis block. _Ethereum has come a long way. It came to life, survived and thrived against all odds, and led to breakthroughs in tokenization, fundraising, DeFi and digital ownership. It's bootstrapped entire industries, and is...
The Ethereum Foundation's Next Chapter
https://blog.ethereum.org/en/2025/04/28/next-chapter
Hi! This is Hsiao-Wei and Tomasz co-writing this blog post. We've now been in our new Co-Executive Director roles for almost a month. The honeymoon is over, it's time to get moving....
https://blog.ethereum.org/en/2025/04/28/next-chapter
Hi! This is Hsiao-Wei and Tomasz co-writing this blog post. We've now been in our new Co-Executive Director roles for almost a month. The honeymoon is over, it's time to get moving....
The Ethereum Foundation’s Vision
https://blog.ethereum.org/en/2025/04/28/ef-vision
_Ethereum’s strength lies in its decentralization — not just technically, but socially and structurally. This blog articulates the EF's vision, its role, and priorities as one of the ecosystem's stewards. We use this moment as an opportunity to restate our vision, principles and values which we continue to uphold as...
https://blog.ethereum.org/en/2025/04/28/ef-vision
_Ethereum’s strength lies in its decentralization — not just technically, but socially and structurally. This blog articulates the EF's vision, its role, and priorities as one of the ecosystem's stewards. We use this moment as an opportunity to restate our vision, principles and values which we continue to uphold as...
Ethereum Foundation's Management and Board Structure
https://blog.ethereum.org/en/2025/04/28/ef-mgmt-board
The recent appointments of the two Co-Executive Directors and President are part of a broader effort to strengthen the Ethereum Foundation, and this structure is designed to ensure our vision, strategic and balanced execution, technical direction, and ecosystem development. This blog is intended to clarify the structure of the management...
https://blog.ethereum.org/en/2025/04/28/ef-mgmt-board
The recent appointments of the two Co-Executive Directors and President are part of a broader effort to strengthen the Ethereum Foundation, and this structure is designed to ensure our vision, strategic and balanced execution, technical direction, and ecosystem development. This blog is intended to clarify the structure of the management...
Checkpoint #2: Apr 2025
https://blog.ethereum.org/en/2025/04/29/checkpoint-2
Ethereum’s weekly All Core Developer calls are a lot to keep up with, so this "Checkpoint" series aims for high-level updates roughly every 4-5 calls, depending on what’s happening in core development. See the previous update here....
https://blog.ethereum.org/en/2025/04/29/checkpoint-2
Ethereum’s weekly All Core Developer calls are a lot to keep up with, so this "Checkpoint" series aims for high-level updates roughly every 4-5 calls, depending on what’s happening in core development. See the previous update here....
Ethereum University Tour
https://blog.ethereum.org/en/2025/04/30/uni-tour
Are you part of a university blockchain club eager to dive deeper into the world of Ethereum? We want to connect with you! The Ethereum Foundation is sponsoring a global University Tour in partnership with BuidlGuidl, designed to activate student communities and grow the next generation of Ethereum builders....
https://blog.ethereum.org/en/2025/04/30/uni-tour
Are you part of a university blockchain club eager to dive deeper into the world of Ethereum? We want to connect with you! The Ethereum Foundation is sponsoring a global University Tour in partnership with BuidlGuidl, designed to activate student communities and grow the next generation of Ethereum builders....
Announcing the Ethereum Season of Internships
https://blog.ethereum.org/en/2025/05/05/ethereum-season-of-internships
Every year, the Ethereum ecosystem welcomes thousands of builders through community events, hackathons, courses, bootcamps, and campus clubs. However, many newcomers struggle to remain engaged, as they face challenges securing structured early-career opportunities. The Ethereum Season of Internships directly addresses this retention gap by creating a coordinated collection of internship...
https://blog.ethereum.org/en/2025/05/05/ethereum-season-of-internships
Every year, the Ethereum ecosystem welcomes thousands of builders through community events, hackathons, courses, bootcamps, and campus clubs. However, many newcomers struggle to remain engaged, as they face challenges securing structured early-career opportunities. The Ethereum Season of Internships directly addresses this retention gap by creating a coordinated collection of internship...
CVE-2025-30147 - The curious case of subgroup check on Besu
https://blog.ethereum.org/en/2025/05/07/the-curious-case
Thanks to Marius Van Der Wijden for creating the test case and statetest, and for helping the Besu team confirm the issue. Also, kudos to the Besu team, the EF security team, and Kevaundray Wedderburn. Additionally, thanks to Justin Traglia, Marius Van Der Wijden, Benedikt Wagner, and Kevaundray Wedderburn for...
https://blog.ethereum.org/en/2025/05/07/the-curious-case
Thanks to Marius Van Der Wijden for creating the test case and statetest, and for helping the Besu team confirm the issue. Also, kudos to the Besu team, the EF security team, and Kevaundray Wedderburn. Additionally, thanks to Justin Traglia, Marius Van Der Wijden, Benedikt Wagner, and Kevaundray Wedderburn for...
Allocation Update - Q1 2025
https://blog.ethereum.org/en/2025/05/08/allocation-q1-25
A new year means new momentum, and new grants! Take a look at the projects that received support in Q1 2025, listed below:...
https://blog.ethereum.org/en/2025/05/08/allocation-q1-25
A new year means new momentum, and new grants! Take a look at the projects that received support in Q1 2025, listed below:...