Book Image

The Essential Guide to Web3

By : Vijay Krishnan
3 (1)
Book Image

The Essential Guide to Web3

3 (1)
By: Vijay Krishnan

Overview of this book

Web3, the new blockchain-based web, is often hailed as the future of the internet. Driven by technologies such as cryptocurrencies, NFTs, DAOs, decentralized finance, and more, Web3’s aim is to give individuals more control over the web communities they belong to. Whether you’re a beginner or an experienced developer, this book will help you master the intricacies of Web3 and its revolutionary technologies. Beginning with a concise introduction to blockchain and the Ethereum ecosystem, this book quickly immerses you in real-world blockchain applications. You’ll work on carefully crafted hands-on exercises that are designed for beginners as well as users with prior exposure. The chapters show you how to build and deploy smart contracts, while mastering security controls and discovering best practices for writing secure code. As you progress, you’ll explore tokenization and gain proficiency in minting both fungible and non-fungible tokens (NFTs) with the help of step-by-step instructions. The concluding chapters cover advanced topics, including oracles, Layer 2 (L2) networks, rollups, zero knowledge proofs, and decentralized autonomous organizations (DAOs). By the end of this Web3 book, you’ll be well-versed in the Web3 ecosystem and have the skills to build powerful and secure decentralized applications.
Table of Contents (25 chapters)
Free Chapter
1
Part 1 – Introduction to Web3
5
Part 2 – All about Smart Contracts
9
Part 3 – Writing Your DApps for Web3
12
Part 4 – Fungible Tokens
15
Part 5 – Non-Fungible Tokens
18
Part 6 – Web3 Advanced Topics

Writing and Testing Your First dApp on Web3

In this chapter, we will cover the essential steps to set up your development environment and create your first decentralized application (dApp) using the Hardhat framework.

We will start by guiding you through the process of setting up your development environment, including installing the necessary tools and dependencies. With your environment ready, we’ll move on to creating a new Hardhat project, using a pre-built Hardhat template that provides a solid starting point for our dApp.

Once we have our smart contract setup, we’ll compile and migrate it to the Ethereum network, making it ready for interaction. Testing is crucial to ensure the integrity and correctness of our smart contract, so we’ll also guide you through writing test cases to verify its behavior.

However, a dApp wouldn’t be complete without a user interface, right? In the later part of this chapter, we’ll walk you through creating...