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Foundations of Blockchain

You're reading from   Foundations of Blockchain The pathway to cryptocurrencies and decentralized blockchain applications

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Product type Paperback
Published in Jan 2019
Publisher Packt
ISBN-13 9781789139396
Length 372 pages
Edition 1st Edition
Languages
Concepts
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Author (1):
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Koshik Raj Koshik Raj
Author Profile Icon Koshik Raj
Koshik Raj
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Toc

Table of Contents (14) Chapters Close

Preface 1. Introduction FREE CHAPTER 2. A Bit of Cryptography 3. Cryptography in Blockchain 4. Networking in Blockchain 5. Cryptocurrency 6. Diving into Blockchain - Proof of Existence 7. Diving into Blockchain - Proof of Ownership 8. Blockchain Projects 9. Blockchain Optimizations and Enhancements 10. Blockchain Security 11. When Shouldn't We Use Blockchain? 12. Blockchain Use Cases 13. Other Books You May Enjoy

Hashing in blockchain

Hashing is an important concept in blockchain and has a huge role in the functioning of a blockchain application. The applications of hash functions range from minor blockchain implementations, such as creating a digest for a large amount of data, to major implementations, such as maintaining the integrity of the blocks in the chain. Hash functions are also used in Proof of Work consensus algorithms to solve the Byzantine failure problem, which we'll cover in depth, later in the chapter. To begin with, we'll explore some concepts of blockchain that make use of hash functions.

Linking blocks in a blockchain

As defined in the introductory chapter, a blockchain is a continuously growing collection...

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