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EIP-8037/EIP-8038 Glamsterdam
In the previous weeks Chainsecurity has found a few projects that would be vulnerable after Glamsterdam since they rely on certain invariants. These invariants are broken by EIP-8037 and EIP-8038 which rework how much gas is charged for certain operations and how gas is charged for state. You can...
Designing for sovereignty: Ethereum for digital public infrastructure
Public services increasingly rely on digital systems that enable institutions to collaborate across organizational and national boundaries. Such cooperation may involve government agencies verifying documents issued by other authorities, or humanitarian organizations coordinating assistance while…
Glamsterdam on Hoodi Postponed
The Glamsterdam upgrade on Hoodi, previously scheduled for October 26, 2026 at 17:42:48 UTC (epoch 132,352), has been postponed. A new activation date has not been set. This update supersedes the schedule and activation instructions in the Hoodi testnet announcement....
Glamsterdam Hoodi Testnet Announcement
Following its activation on Sepolia on October 6, the Glamsterdam network upgrade is now scheduled for the Hoodi testnet. Glamsterdam advances Ethereum's L1 scaling roadmap with enshrined proposer-builder separation, block-level access lists, and changes to gas pricing that better reflect the cost…
How native transaction assertions could enforce a transaction's final outcome
The Ethereum Foundation's Trillion Dollar Security initiative has identified blind signing and transaction uncertainty as a user experience risk, and is exploring native transaction assertions as a next step to enforce a transaction’s final outcome, alongside Clear Signing. This post covers why a…
Introducing zkAPI: private usage credits for any API
tl;dr: zkAPI lets you pay for a metered API without being known. Deposit credits into an Ethereum vault once, then authorize bounded usage with zero-knowledge proofs instead of an identity. The provider sees the requests, and the payment layer sees the spend. Neither learns the link between them…
Glamsterdam Testnet Announcement
Glamsterdam follows the Fusaka upgrade, advancing Ethereum's L1 scaling roadmap with enshrined proposer-builder separation, block-level access lists, and changes to gas pricing that better reflect the cost of execution and state growth. The Glamsterdam network upgrade is scheduled to activate on…
Join Us: EF Protocol Reddit AMA - September 16th, 2026
Every year since January 2019, teams from the Ethereum Foundation have spent an afternoon or two on r/ethereum answering questions from the community. The format hasn’t really changed: one thread, technical debates, detailed explanations, and community members asking whatever is on their mind. By…
EF Protocol: The Hegotá EIP Opinion Post and Tier List
This is the EF Protocol cluster’s tier list for Hegotá. We evaluated the 62 EIPs proposed for inclusion, each with a tier and a short note on the grade. It is the first time the cluster has published one unified view rather than per-team opinions. Geth, of course, being...
EF Protocol: Current and Emerging Priorities
In May, the Protocol cluster welcomed a trio of new cluster coordinators and promised updates to follow. After months of settling in and aligning with contributors cluster-wide, across the EF and across the Ethereum ecosystem, we are now happy to share Protocol's priorities: what Protocol is for…
Glamsterdam Repricing Impact for Smart Contract Developers
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Raising machine-checked security benchmarks to advance hash-based SNARKs through agentic collaboration
better.codes, an open autoresearch challenge built by the Ethereum Foundation Formal Verification team in collaboration with Yukon and zkSecurity, is now live. better.codes takes a self-contained problem from the Proximity Prize research, formalized in Lean, and puts its soundness bound on a public…
Allocation Update - Q2 2026
Q2 2026 carried forward our focus on advancing Ethereum’s resilience and capabilities, supporting key work in zero-knowledge proofs, client diversity, formal verification, and open-source tooling. See the list below of the projects and ecosystem efforts supported this quarter as builders build and…
Announcing the Platåberget Testnet
tl;dr: Meet Platåberget: Glamsterdam's (Gloas + Amsterdam) early testing ground open to public participation. This upgrade comes with breaking changes for application developers. Notably, any tool that relies on a hardcapped maximum gas limit (think wallets, indexers and gas estimators) will break…
Announcing a Trillion Dollar Security grant for WEBCAT
The Ethereum Foundation’s Trillion Dollar Security (1TS) initiative is proud to announce a grant allocation to Freedom of the Press Foundation (FPF) to support the continued development of WEBCAT. WEBCAT is an open source tool that lets browsers verify that code served by an enrolled website…
Ethereum Foundation Board Update
We are pleased to share that pcaversaccio (pc) has joined the Ethereum Foundation Board. pc is a long time contributor to the Ethereum ecosystem, a co-founder and lead of SEAL 911, and has been a member of the EF's Silviculture Society, which provides informal counsel to EF aimed at...
Devcon 8 Tickets Are Live: Find Your Path to Mumbai
Devcon 8 tickets are live! 🇮🇳 This November, the Ethereum community will gather in Mumbai for a more focused and intimate Devcon. Devcon gathers minds from across Ethereum and beyond: builders, researchers, maintainers, organizers, and anyone curious about the future of open technology. Across…
The triage is the product: running AI agents against Ethereum's protocol code
Notes from the Ethereum Foundation's Protocol Security team on running coordinated AI agents against real protocol code, including how we organize the work, what holds up under scrutiny, and what client teams and security researchers can take from it. This post stands on its own; later posts will…
Ethereum for Governments and Institutions: Why neutral infrastructure matters now
Current global shifts clearly signal a critical need for shared, neutral digital public infrastructure outside the control of any single centralized actor. As a public, programmable network designed to operate without reliance on any single party, Ethereum was built to address precisely these…
The EF’s new structure
Today, the EF is changing shape, concluding a months-long process of reorganization as part of the implementation of the Mandate and the Treasury Management Policy. We come out of this process with the structure, activities, and people necessary for execution on the critical tasks ahead of us, but…
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