You're reading from The Essential Guide to Web3

Product type Book

Published in Nov 2023

Publisher Packt

ISBN-13 9781801813471

Pages 366 pages

Edition 1st Edition

Languages

Concepts

Blockchain

Author (1):

Vijay Krishnan

Table of Contents (25) Chapters

Preface

1. Part 1 – Introduction to Web3

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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The basic components in a blockchain

Understanding the anatomy of a blockchain is key and a basic requirement to access Web3. Here, we will go over the components and architecture of a blockchain.

We are aware that a blockchain is a distributed database made up of a number of blocks, connected by cryptography and safeguarded with it. Each block has a list of several transactions, and once data has been recorded on a block, it cannot be altered. Let us look at the most common components of a blockchain, which includes but is not limited to the following:

Blocks: A block is a collection of transaction data that is added to a blockchain. Each block contains a unique code called a “hash” that distinguishes it from other blocks in the chain.
Nodes: A node is a computer that participates in the operation of a blockchain network. Nodes can validate transactions and add them to a blockchain.
Miners: Miners are nodes that perform the work of verifying transactions...