Research & Development

Fusaka shipped PeerDAS in addition to a myriad of minor features and Glamsterdam’s major features will include Block-level Access Lists and enshrined Proposer-Builder Separation. Now we begin outlining the subsequent upgrade: Hegotá.

Thanks to Arantxa Zapico, Benedikt Wagner, and Dmitry Khovratovich from the EF cryptography team for their contributions, and to Ladislaus, Kev, Alex, and Marius for the careful review and feedback. The zkEVM ecosystem has been sprinting for a year. And it worked! We crossed the finish line for real-time proving! Now comes the next phase: building something mainnet-grade.

Disclaimer: The following blog is a proposal from the Stateless Consensus team. Content may not imply consensus views, and the EF is a broad organization that includes a healthy diversity of opinion across Protocol and beyond that together strengthen Ethereum. Special thanks to Ladislaus von Daniels and Marius van der Wijden for reviewing this article. Ethereum has grown from a small experimental network into a critical piece of global infrastructure. Every day it settles billions of dollars in value, coordinates thousands of applications, and anchors an entire ecosystem of L2s. All of this ultimately relies on a single underlying component: state.

Disclaimer: The following blog is a proposal from the Account Abstraction team. Content may not imply consensus views, and the EF is a broad organization that includes a healthy diversity of opinion across Protocol and beyond that together strengthen Ethereum. Since the early days of Ethereum, the promise has always been bold: a global, permissionless, censorship-resistant computing platform. Today, that promise is more alive than ever. Ethereum has scaled through rollups, where blockspace is abundant and transactions are cheap. The challenge now is not just throughput, but seamless user experience across that multichain horizon. What if all the L2s felt like a single, unified Ethereum? No bridges to think about, no chain names to recognize, no fragmented balances or assets. That’s the vision of the **Ethereum Interop

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 4-6 weeks, depending on what’s happening in core development. See the previous update here. If you enjoy reading core development updates, you may also be keen to learn that Forkcast now publishes call summaries, chats and transcripts for each All Core Devs call, usually available within a couple hours of the call.

Starting with the upcoming Fusaka hard fork, EIP-7825 introduces a per-transaction gas limit cap of 2²⁴ (≈ 16.78 million gas). This change is already live on Holesky and Sepolia, and will activate on mainnet with Fusaka. Developers and users who rely on very large transactions should verify that their contracts and transaction builders conform to the new cap.

tl;dr: Over the last couple of days, some L2s noticed that their deployments on Sepolia didn't work properly anymore. This is due to EIP-7594 which changes the format for proofs. In anticipation of Fusaka, we urge all blob originators to update their software to create Cell Proofs instead of blob proofs.

The Ethereum Foundation has opened applications for the 2026 Internship Program: a paid, full-time opportunity to work directly with teams advancing the Ethereum protocol and ecosystem. Interns will join EF teams for 12 weeks over the summer, contributing to active R&D and ecosystem-oriented projects across a wide range of focus areas. The internship is open to candidates worldwide and can be completed remotely or from EF’s offices. A summer meetup will bring the cohort together to connect in person.