Let’s design and build an immutable, decentralized blockchain social media platform, called Chirper, that will run on top of Ethereum.

Learn how to make the best design and security choices when setting up a multi-signature wallet and how to avoid common mistakes.

This article explains and demonstrates how to build a random number generator for the blockchain using a Solidity contract.

Web3 wallets make user authentication trivial. Learn about the challenges of user identification and follow a tutorial on client-side and server-side user identification.