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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

Transaction security model

The internet is a system of connected devices that communicate with each other using various protocols. Due to the open nature of communication on the internet, there are both individuals and groups of people trying to harm users' devices or applications by hijacking communications. These are often referred to as bad actors, and can be found in any part of the internet. It's often difficult to keep these bad actors out of any system due to the fragile nature of communication on the internet, and every application implements a security model for protection against bad actors.

Most applications ensure secure communication by encrypting the traffic between the transmitting and the receiving end. In fact, more than half of the traffic on the web is encrypted using the HTTPS protocol. Due to the increased number of attacks on the internet, encrypting...

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