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FRC-0104: Making Filecoin nodes speak the same language

FRC-0104: Common Node API, defines a standard API for Filecoin nodes using OpenRPC. It streamlines core methods across clients like Lotus and Forest, reducing guesswork and improving compatibility. With clear schemas and conformance testing, apps target one spec and work across compliant clients.

Lodestar’s next chapter: Blending Zig and JavaScript for a high-performance Ethereum client

Lodestar’s future: transitioning from a pure JavaScript client focused on browser compatibility to a performance-first, hybrid JavaScript and Zig architecture.

ChainSafe’s Monthly Roundup: Issue #4

From a fresh new website to exciting protocol updates, validator milestones, and a sneak peek at what’s coming next, the ChainSafe team has been busy across the stack.

Beyond MEV: Navigating Ethereum’s decentralization and block building future

At its core, Ethereum was designed with one intention: decentralization. But as Ethereum grows, staying true to that intention becomes harder. One of the thorniest challenges? MEV (Maximal Extractable Value). It's not just a technical vulnerability or an incentive misalignment. It reshapes how blocks are built, who builds them, and

ChainSafe’s Monthly Roundup: Issue #3

In April, ChainSafe made significant strides to ensure our services were ready for the evolving needs of the Ethereum, Polkadot and Filecoin ecosystems.

What Does Immutability Mean to Filecoin?

Immutability was never just technical. From stone tablets to CIDs, we’ve always tried to make memory last. In blockchains, it’s a core tenet, data sealed by consensus. In Filecoin, it's a web of incentives, proofs, and people choosing not to forget.

ChainSafe’s Monthly Roundup: Issue #2

500 Lido validator keys on Hoodi, joining the Web3 Decentralized Nodes program, and continued development in Polkadot, Filecoin and Ethereum ecosystems.

Lodestar's Fusaka Inclusion Perspective

In response to the Fusaka deadline outlined in the All Core Developers March Checkpoint, this blog post summarizes the collective thoughts of Lodestar's perspective on the Fusaka hard fork. Keep Fusaka Small and Focused Taking into account some lessons learned from the Pectra retrospective published in February, we are still

Lodestar Holesky Rescue Retrospective

When the Holesky hard fork went sideways, validators struggled through hidden bugs, misconfigured clients, and unexpected chain splits. Here’s how quick thinking, precise fixes, and community teamwork turned a chaotic experience into a valuable lesson for future forks.

ChainSafe's Monthly Roundup: Issue #1

This year marks a recalibrated ChainSafe that will zero-in once more on the multichain mission that's driven us since inception.

ChainSafe supports Ephemery: Ethereum’s ever-refreshing testnet

This lightweight, resetting testnet gives you a clean slate every four weeks. It's perfect for testing staking setups, validator configurations, and smart contract deployments.

Understanding Censorship Resistance on Ethereum

Censorship resistance ensures Ethereum remains open and permissionless. This blog explores what censorship resistance is, why it matters, and the ongoing efforts to keep Ethereum decentralized.

Lodestar’s Pectra Retrospective and Future Fork Ideas

Key lessons learnt from Ethereum’s latest hard fork. From feature cramming to scope creep, we’re exploring ways to streamline coordination, shorten fork cycles, and enhance stability—ensuring Ethereum remains resilient and future-ready.

Web3.js to sunset: ChainSafe transitioning developers

Web3.js libraries will be archived on March 4th, 2025. ChainSafe will provide migration support and documentation for affected users in the coming days.