ChainSafe Systems

How to Verify a Signed Message in Solidity

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

Gaming Lifehack: How to integrate an ERC-20 into the ChainSafe Gaming SDK

Gaming Lifehack: How to integrate an ERC-20 into the ChainSafe Gaming SDK

Authored by Kwame Bryan Check out our previous Gaming Lifehack series blog post on NFT multicalls here. The ChainSafe Gaming SDK is an open-source library that connects games built with the Unity game development engine to the blockchain. The library currently supports WebGL and iOS/Android (experimental), and is compatible

Lodestar Setup Guide v2

Lodestar Setup Guide v2

Authored by Colin Adams A comprehensive guide for Lodestar - ChainSafe's TypeScript implementation of Ethereum Consensus The most anticipated event in Ethereum history - The Merge - is on the horizon. The Merge is the end of Proof of Work and the full transition to Proof of Stake, a fundamental

A Lodestar for Ethereum Consensus #2

A Lodestar for Ethereum Consensus #2

Authored by Phil Ngo A year-end update for ChainSafe's TypeScript implementation of Ethereum Consensus Welcome to another edition of "A Lodestar for Ethereum Consensus," a series where we give periodic updates on ChainSafe's TypeScript implementation of Ethereum Consensus (formerly Eth2). There have been a lot of big Lodestar milestones recently.

NPM Release Security

NPM Release Security

Authored by Nazar Hussain JavaScript is the most popular programming language in the world, and as such, it gets a lot of use in open source projects. This popularity has brought more attention from bad actors in the Javascript open-source ecosystem, and hence the ecosystem is more at risk simply

SQRL-ing Mnemonic Phrases

SQRL-ing Mnemonic Phrases

Authored by Gregory How a simple technique can help you add a layer of security to your hardware wallet When it comes to digital wallets, there are two basic types: hot wallets and cold wallets. Hot wallets are easy-to-use applications connected to the internet (think MetaMask or Exodus). In contrast,

Let the Multi-Chain Games Begin

Let the Multi-Chain Games Begin

Authored by Kwame Bryan Why multi-chain support is critical to unlocking the full potential of blockchain gaming The recent rise of Axie Infinity showed the gaming industry just a fraction of what blockchain-based gaming can achieve. With the introduction of play-to-earn models and non-fungible tokens (NFTs), the opportunities for today's