Creating and interacting with an ERC-20 token on the Filecoin Virtual Machine using web3.js

Learn to create and interact with an ERC-20 token on the Filecoin Virtual Machine using web3.js. This comprehensive guide covers setting up your environment, deploying smart contracts, and executing token transfers, making web3 development accessible even for beginners.

Research & Development

Understanding GKR

Cryptographic commitments often bottleneck SNARKs. Circle STARKs and Binius reduce costs but add new challenges. GKR offers another path, cutting overhead by almost avoiding commitments entirely.

Building a dApp with web3.js

Join us in creating a front-end UI using Next.js to interact with a Solidity smart contract on Ethereum. Learn to fetch blockchain data and send transactions with web3.js, culminating in a fully functional decentralized application (dApp).

Lodestar

Handling Generic Forks and Understanding Types in Lodestar

Explore Lodestar's guide to mastering types and forks. Learn key patterns and tools to simplify contributions and enhance your understanding of Ethereum's consensus clients.

Building a dApp with NextJS + Solidity + Web3.js

In this tutorial, we'll create a decentralized to-do list application (dApp) using NextJS for the front-end, Solidity for smart contracts, Web3.js for interacting with the blockchain, and Alchemy for connecting to Ethereum. We will also use Sepolia, an Ethereum testnet, to deploy and test our

Gossamer

Polkadot state trie storage in Gossamer

Dive into Polkadot's state trie storage with Gossamer! Learn why tries matter for blockchain integrity, how Merkle trees help in data verification, and the unique challenges Gossamer addresses.

BABE Epoch Changes

A look at how an epoch works within BABE, Polkadot's block production mechanism.

ETHBerlin: Winners Spotlight

ETHBerlin has been called a “hackathon extravaganza”, and this year members of the ChainSafe team entered their winning ideas. With 627 hackers and over 80 submissions, we are proud to announce that ChainSafe team members won 1st place in the Social Technologies track and 2nd place in the Defensive Tooling

Web3.unity V2.6 adds Ramp and Hyperplay

Web3.unity v2.6: in-game fiat integration via Ramp, Hyperplay wallet integration, build your own in-game marketplace, user-generated content (UGC).

Lodestar

The Lodestar Vision for the Pectra Roadmap

the Lodestar team wanted to provide an update on how we envision proceeding with the Pectra roadmap.

Web3 Gaming

Streamlined Onboarding With Ramp & ChainSafe Gaming

As a part of the latest SDK update, the ChainSafe Gaming team recently integrated Ramp into web3.unity. With Ramp's help, we're making in-game transactions easier than ever by providing a link between traditional money (fiat) and cryptocurrency.  What is Ramp? Ramp provides a powerful

Embracing Innovation Through Hackathons

In Web3 development, innovation is critical to driving progress and empowering developers to build the next generation of decentralized applications (dApps). As we navigate this ever-evolving space, one concept is emerging as a game-changer to improve the developer experience and adoption: Web3.js plugins🧩 What's a

Guides

A Complete Guide to EIP-3074

EIP-3074 was just approved for inclusion in the next hard fork. This change will significantly alter how users interact on EVM chains, enhance wallet UX, and, ultimately, make Ethereum more accessible.

Web3 Gaming

Loot GDC: Exploring the Potential of Onchain LootBoxes

A thorough retrospective on Loot GDC, our lootbox-inspired scavenger hunt quest across digital and physical space.

Research & Development

Investigating a Zcash Web Wallet

ChainSafe R&D has been investigating the feasibility of a Zcash web wallet. Such a wallet would allow easy onboarding to Zcash. It is also the first step in building a browser extension wallet or a MetaMask snap.

Guides

Polkadot’s Solution to the Byzantine Generals Problem: Grandpa Protocol

Gossamer is a Golang implementation of the Polkadot host, and recently, we've been working on implementing the GRANDPA protocol in Go.

Guides

A Beginner's Guide to Web3.js

Curious about the world of web3 development? If you're a beginner coder or a web developer eager to explore, this friendly guide is your starting point for the basics of Ethereum development. We'll keep it simple, focusing on the essentials, with web3.js as your gateway

Guides

Mastering Web3.js utilities

The web3.js utilities package is one of the most widely used packages of the web3.js library (~920k downloads a month). If you’re developing a dApp or honing your skills, this article will demonstrate how to use these functions to their full potential.

Web3 Gaming

The Grand Exchange: ChainSafe’s Marketplace Toolkit

After months of dedicated engineering work, the quality of tooling used by the Echelon Prime Foundation and Parallel is now available for all game builders in our web3.unity SDK.

Web3 Gaming

Building Onchain LootBoxes With Chainlink

ChainSafe secured a grant from Chainlink, leveraging their Verifiable Random Function (VRF) tool to introduce a new level of integrity and trust to onchain LootBoxes.

Lodestar

Introducing Lodestar Prover

We're excited to introduce the latest addition to our suite—Lodestar Prover, a tool for connecting consensus and execution clients, facilitating seamless and secure blockchain integrations.  A disconnect for dApps? Within the Ethereum ecosystem, dApps have historically faced a challenge in establishing smooth interactions with execution clients. They

announcements

Web3.js Participates in the First Streaming Quadratic Funding Round

Exciting news! Web3.js has joined the pilot program to participate in the first Streaming Quadratic Funding Round! This collaborative effort by Geo Web, Superfluid, and Gitcoin's Allo Protocol represents a novel approach to funding public goods. By participating in this first-ever SQF round, web3.js stands

Web3 Gaming

Your Crash Course on In-game Marketplaces: With Echelon and Parallel

ChainSafe Gaming, Echelon Prime, and Parallel Studios launched Sanctuary for Parallel in Dec 2023, an integrated marketplace for the web3 trading card game. We sought an open discussion with Echelon and Parallel Studios about the significance of what we're building.

Research & Development

Forks Aren't Always Safe

Forking open-source smart contracts is risky. Developers often inherit existing bugs or create new ones through modifications, leading to major exploits like those seen with Grim Finance and Meter. Transparency, collaboration, and auditing new logic are crucial to prevent costly vulnerabilities.

Lodestar

Lodestar Proposals for Next Electra + Prague Fork

With the implementation of Deneb/Cancun almost complete, client teams were asked to provide suggestions on inclusions to the next Electra/Prague hard fork. This blog post is to outline the combined consensus of Lodestar’s main contributors, inspired by the writings of Paradigm’s Reth team and commendation of