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Data Science for Web3

You're reading from   Data Science for Web3 A comprehensive guide to decoding blockchain data with data analysis basics and machine learning cases

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Product type Paperback
Published in Dec 2023
Publisher Packt
ISBN-13 9781837637546
Length 344 pages
Edition 1st Edition
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Concepts
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Author (1):
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Gabriela Castillo Areco Gabriela Castillo Areco
Author Profile Icon Gabriela Castillo Areco
Gabriela Castillo Areco
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Toc

Table of Contents (23) Chapters Close

Preface 1. Part 1 Web3 Data Analysis Basics
2. Chapter 1: Where Data and Web3 Meet FREE CHAPTER 3. Chapter 2: Working with On-Chain Data 4. Chapter 3: Working with Off-Chain Data 5. Chapter 4: Exploring the Digital Uniqueness of NFTs ā€“ Games, Art, and Identity 6. Chapter 5: Exploring Analytics on DeFi 7. Part 2 Web3 Machine Learning Cases
8. Chapter 6: Preparing and Exploring Our Data 9. Chapter 7: A Primer on Machine Learning and Deep Learning 10. Chapter 8: Sentiment Analysis ā€“ NLP and Crypto News 11. Chapter 9: Generative Art for NFTs 12. Chapter 10: A Primer on Security and Fraud Detection 13. Chapter 11: Price Prediction with Time Series 14. Chapter 12: Marketing Discovery with Graphs 15. Part 3 Appendix
16. Chapter 13: Building Experience with Crypto Data ā€“ BUIDL 17. Chapter 14: Interviews with Web3 Data Leaders 18. Index 19. Other Books You May Enjoy Appendix 1
1. Appendix 2
2. Appendix 3

Working with Off-Chain Data

In the previous chapter, we learned that on-chain data serves as the primary source of Web3 data analysis. It is open, distributed, and trustworthy. While on-chain data will be key to answering most business data science questions, it is essential to complement it with relevant information from off-chain data sources, which is the focus of this chapter.

Consider a scenario where we receive a request to assess the economic relevance of a smart contract. We can query the number of tokens locked in it, but to finalize the analysis, we need to determine the monetary value of those tokens. To accomplish this, we must integrate on-chain data with prices, often derived from off-chain sources.

Prices, news, and opinions are not stored on-chain and must be retrieved from external sources. In this chapter, we will delve into those sources and acquire data from selected APIs. Specifically, we will discuss alternatives for fetching prices, analyze a crypto news...

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