You're reading from The Essential Guide to Web3 Develop, deploy, and manage distributed applications on the Ethereum network

Product type Paperback

Published in Nov 2023

Publisher Packt

ISBN-13 9781801813471

Length 366 pages

Edition 1st Edition

Tools

Ethereum

Concepts

Blockchain

Author (1):

Vijay Krishnan

View More author details

Table of Contents (25) Chapters

Preface

1. Part 1 – Introduction to Web3 FREE CHAPTER

2. Chapter 1: Fundamentals of Blockchain and Web3

3. Chapter 2: Getting Started With Ethereum

4. Chapter 3: Your First Ethereum Transaction

5. Part 2 – All about Smart Contracts

6. Chapter 4: Introduction to Smart Contracts

7. Chapter 5: Creating and Deploying Your First Smart Contract

8. Chapter 6: Smart Contract Security and Access Controls

9. Part 3 – Writing Your DApps for Web3

10. Chapter 7: Developer Tools and Libraries for Web3 Development

11. Chapter 8: Writing and Testing Your First dApp on Web3

12. Part 4 – Fungible Tokens

13. Chapter 9: Introduction to Tokenization

14. Chapter 10: Creating Your First Token

15. Part 5 – Non-Fungible Tokens

16. Chapter 11: Non-Fungible Token Standards

17. Chapter 12: Creating Your First Non-Fungible Token

18. Part 6 – Web3 Advanced Topics

19. Chapter 13: Understanding Oracles

20. Chapter 14: Zero-Knowledge Proofs and Zero-Knowledge EVMs

21. Chapter 15: L2 Networks and Rollups

22. Chapter 16: Decentralized Autonomous Organizations – Overview

23. Index

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Understanding NFT standard ERC-721

ERC-721 is an NFT standard on the Ethereum blockchain that defines a set of rules that a smart contract must follow to enable the creation and management of unique digital assets. ERC-721 tokens are unique, one-of-a-kind assets that cannot be exchanged with each other on a one-to-one basis, making them ideal for creating digital art, collectibles, and other unique assets.

Each ERC-721 token has a unique identifier called a token ID, which is stored on the blockchain and cannot be duplicated or altered. This allows for ownership and provenance of the asset to be tracked and verified on the blockchain.

Here are some examples of ERC-721 tokens:

CryptoKitties, a popular blockchain-based game where each CryptoKitty is an ERC-721 token with a unique appearance and set of attributes
NBA Top Shot, a blockchain-based platform where users can buy, sell, and trade unique moments from NBA games as ERC-721 tokens

An ERC-721-based smart...