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Hands-On Cybersecurity with Blockchain

You're reading from   Hands-On Cybersecurity with Blockchain Implement DDoS protection, PKI-based identity, 2FA, and DNS security using Blockchain

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Product type Paperback
Published in Jun 2018
Publisher
ISBN-13 9781788990189
Length 236 pages
Edition 1st Edition
Concepts
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Author (1):
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Rajneesh Gupta Rajneesh Gupta
Author Profile Icon Rajneesh Gupta
Rajneesh Gupta
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Table of Contents (13) Chapters Close

Preface 1. Cyber Threat Landscape and Security Challenges 2. Security Must Evolve FREE CHAPTER 3. Introducing Blockchain and Ethereum 4. Hyperledger – Blockchain for Businesses 5. Blockchain on the CIA Security Triad 6. Deploying PKI-Based Identity with Blockchain 7. Two-Factor Authentication with Blockchain 8. Blockchain-Based DNS Security Platform 9. Deploying Blockchain-Based DDoS Protection 10. Facts about Blockchain and Cyber Security 11. Assessment 12. Other Books You May Enjoy

How blockchain works

Let's understand the workings of the blockchain ledger in its simplest form. To understand the system in its generic form, it is important to use several states of blockchain and explore them further:

  1. Transaction preparation: At this stage, party A creates a transaction that includes information including the public address of the receiver, a source digital signature, and a transaction message. Now, this transaction is made available to all of the nodes in the blockchain.
  2. Transaction verification: The blockchain nodes work in a trustless model, where each node (the machine running the blockchain client software) receives this transaction, and verifies the digital signature with party A's public key. After successful verification, this authenticated transaction is parked in the ledger queue and waits until all the nodes successfully verify the...
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