ChainSafe Systems

Ethereum

The Road Ahead for Ethereum Light Clients

Authored by Phil Ngo New layer one blockchains promise a blazing fast decentralized future. But in reality, what we typically find is a set of sporadic non-committed users who connect to a single sponsored JSON RPC maintained by a foundation that connects to a small network of validator cartels. It's

Polkadot

Gossamer: Into the Polkadot-verse Pt. 4

Authored by Dan Forbes For anyone unfamiliar, Gossamer is a Go implementation of the Polkadot Host. Once ready, Gossamer will increase Polkadot client diversity and contribute to the resilience and security of the network. In the future, we hope it will also foster growth by providing a modular development framework

Polkadot

Polkadot-js Extension: New Privacy Feature

Authored by Thibaut Sardan The Polkadot-js extension is a browser extension for Firefox and Chrome dedicated to managing accounts for Substrate-based chains, including Polkadot, Kusama, and all their parachains. While the extension focuses on stability and mostly gets maintenance releases, the community also regularly makes improvements. To that end, Chainsafe

typescript

Documenting TypeScript, Finding the Right Tools for Your Project

Authored by Nazar Hussain TypeScript (TS) is becoming increasingly popular in the JavaScript (JS) ecosystem. Many popular libraries, like LibP2P, DiscordJS, Node-Postgres, and Selenium Driver, have already started rewriting their JavaScript codebase in TypeScript, with many others following their lead. As the use of TypeScript grows, so does the need

web3

The ChainSafe Ambassador Program: ChainSages

Authored by Colin Adams _tl;dr: ChainSafe continues to recruit community members familiar with our tools to engage and share their knowledge with the next wave of web3 developers_🧙 What's a Sage? ChainSages are people we've identified as helpful and knowledgeable within our community. Sages are much more than your

Filecoin

Glow of the Canopy #2 🌱: Launching Forest into the Skyr 🌲

Authored by Timothy Hao Chi Ho An update from the Forest team on our progress from Q2 2022 Forest is ChainSafe's Rust implementation of the Filecoin protocol, an open-source blockchain-based decentralized storage network. Rust provides a foundation for building blockchains with memory safety and performance as a priority. As such,

mina

Gradients #3: An MVP For The Mina Community

Authored by Timothy Hao Chi Ho An update from the Mina team on our progress from Q1 and Q2 2022 Mina-rs is ChainSafe's Rust implementation of the Mina Protocol, originally written in OCaml. Mina-rs, a tentatively named project, was awarded to ChainSafe through a community grant from the Mina Foundation

Ethereum

Lodestar v0.37.0: Bopsten-ready Release

Authored by Phil Ngo We've released Lodestar v0.37.0, a Bopsten-ready version, in anticipation of the Ropsten public testnet merge. This version of our TypeScript implementation of Ethereum Consensus will give users the opportunity to contribute to client diversity as we start transitioning public testnets to Proof-of-Stake (PoS). Context

harmony-one

ChainSafe Gaming SDK Spotlight: Tranquility City

Authored by Colin Adams Emerging NFT use cases and play-to-earn (P2E) models are driving the rapid growth of blockchain gaming. We see evidence of this every day in our Discord, where devs gather to share ideas and ask questions about the ChainSafe Gaming SDK, web3.unity. In response, we've created

typescript

Test Your TypeScript Code With Karma and Jest

Build comprehensive test coverage for your TS code with this simple coding tutorial This article is about how you can cover your code with tests and run them on the server and in the browser. We will create a library and cover it with tests. Before we begin, let's go

Polkadot

ChainSafe Receives a Web3 Foundation Grant for SubstrateSnap

Authored by Colin Adams We're delighted to announce that ChainSafe has received another grant from the Web3 Foundation (W3F). This time to complete a rewrite of SubstrateSnap, an experimental plugin that extends the functionality of MetaMask to Polkadot and other Substrate-based chains. What's a snap? For context, a "snap" is

blockchain

A Brief History of ChainSafe

From humble beginnings, ChainSafe has grown into one of the leading research and development firms in the blockchain space. As we approach our fifth birthday, we want to look back and trace the journey that led us to where we are today. ChainSafe Genesis The origin of ChainSafe is best

Polkadot

Unlocking Web3 Gaming with Moonbeam and the ChainSafe Gaming SDK

Authored by Timothy Hao Chi Ho A spotlight on the web3.unity library from the Polkadot ecosystem As ambassadors to the multi-chain vision, ChainSafe is proud to officially recognize our long-term collaboration with Moonbeam and our Gaming SDK, web3.unity. Since our launch announcement, the Moonbeam network has seen out-of-the-box

Ethereum

Lodestar v0.35.0 Upgrade Release

Authored by Phil Ngo We are excited to finally release the Lodestar v0.35.0 update, which includes many fixes and enhancements - 156 commits to be exact! Before this version, the 0.34.x series was the most stable branch and included only specific fixes we knew would not

rust

An Intro to the Sauron web Framework

Authored by ivanceras A quick start guide to Sauron - a framework for writing front and back-end web applications. Introduction Sauron is a versatile framework for designing and writing front and back-end web applications. Sauron uses the rust programming language—it's an ecosystem where rust code can run natively in

Ethereum

A Lodestar for Ethereum Consensus #3

Authored by Phil Ngo Q1 update for ChainSafe's TypeScript implementation of Ethereum Consensus Welcome to the third installment of "A Lodestar for Ethereum Consensus," a series where we give periodic updates on our TypeScript Ethereum client. A lot has happened in the last three months! We updated our light client

products

ChainSafe Gaming SDK Now Supporting Cronos Ecosystem

Authored by Timothy Hao Chi Ho Extending the Gaming SDK's integrated chains to new horizons This is a joint release with the Cronos ecosystem. ChainSafe is excited to announce ChainSafe's Gaming SDK, web3.unity, as the first developer tool to join the newly established Cronos Play - a suite of

Filecoin

Glow of the Canopy #1 🌱: Nourishing the Filecoin Virtual Machine with help from Forest 🌲

Authored by Timothy Hao Chi Ho An update from the Forest team on our latest progress Forest is ChainSafe's Rust implementation of the Filecoin protocol, an open-source blockchain-based decentralized storage network. Rust provides a foundation for building blockchains with memory safety and performance as a priority. As such, a Rust

products

ChainSafe Gaming SDK Spotlight: Cryptopolis

Authored by Timothy Hao Chi Ho Emerging NFT use cases and play-to-earn (P2E) models are fueling the rapid growth of blockchain gaming. We see this playing out every day in our Discord where devs congregate to share ideas and ask questions about the ChainSafe Gaming SDK. To share some of

Filecoin

UI Demo: RMRK NFTs with the Filecoin-Substrate Bridge

Authored by Thibaut Sardan ChainSafe has been collaborating with the Filecoin Foundation to develop a Filecoin-Substrate Bridge (FSB) for a few months now. This is a project intended to extend the functionality of Filecoin, enabling developers to build features into a Substrate chain that are dependent on Filecoin state. The

Gaming

In-game Private Key Management: Risks and Considerations

Authored by Colin Adams At present, nearly 50% of active cryptocurrency wallets connected to decentralized applications are gaming-related. With GameFi kicking into high gear, ChainSafe is building out our Gaming SDK so that developers can connect to any EVM-compatible blockchain and use on-chain data to power their games. While the

products

Gaming Lifehack: How to integrate a custom contract and ABI using the ChainSafe Gaming SDK

Authored by Kwame Bryan A brief overview of an ABI In our last gaming lifehack, we compiled and deployed a simple ERC-20 token and integrated it into the ChainSafe Gaming SDK. Congratulations to anyone who used that tutorial and got it working! In this guide, we will integrate the Application

Polkadot

Go-Schnorrkel is Audited

Authored by Timothy Hao Chi Ho Trail of Bits completes audit of the Schnorrkel library implemented in Go In August 2021, ChainSafe engaged with Trail of Bits to conduct an independent audit of ChainSafe's implementation of Web3 Foundation's Schnorrkel cryptographic signature library in Golang (‘go-schnorrkel''). The original Schnorrkel library is

products

ChainSafe Storage — A step by step tutorial on how to store and retrieve NFT data

Authored by Sadiqur Rahman ChainSafe Storage provides a ready-made, distributed storage solution for any use case. Our product uses IPFS for hot storage and Filecoin for archival storage and extra redundancy. This makes storage more robust and decentralized than traditional cloud alternatives and ensures that the user's data will always

metamask

How to Verify a Signed Message in Solidity

Authored by Leon Do How to sign a message with a wallet and verify the signature on-chain using ecrecover Introduction This is a practical tutorial on signing a message using MetaMask and then verifying it on-chain. Here's a demo: https://leon-do.github.io/ecrecover/ GitHub - leon-do/ecrecover: verify a