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 Oracles

We have come to the last few chapters in this book, where we will get into some of the advanced topics that are essential to work in the Web3 ecosystem. We covered some of these advanced topics at a high level in earlier chapters. In this chapter, we’ll understand what an oracle is.

Oracles open the door for the decentralized Web3 world to connect with traditional data sources, older systems, and complex calculations. In this chapter, you will learn about Oracles, types of blockchain Oracles, the Oracle problem, and how to become an Oracle if you are a data provider or a node operator. You will also learn about quick start guides through which you can run an Oracle node in 20 minutes.

In this chapter, we’re going to cover the following main topics: