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Securing Blockchain Networks like Ethereum and Hyperledger Fabric

By : Parisi

5 (1)

Buy this Book

Securing Blockchain Networks like Ethereum and Hyperledger Fabric

5 (1)

By: Parisi

Buy this Book

Overview of this book

Blockchain adoption has extended from niche research to everyday usage. However, despite the blockchain revolution, one of the key challenges faced in blockchain development is maintaining security, and this book will demonstrate the techniques for doing this. You’ll start with blockchain basics and explore various blockchain attacks on user wallets, and denial of service and pool mining attacks. Next, you’ll learn cryptography concepts, consensus algorithms in blockchain security, and design principles while understanding and deploying security implementation guidelines. You’ll not only cover architectural considerations, but also work on system and network security and operational configurations for your Ethereum and Hyperledger Fabric network. You’ll later implement security at each level of blockchain app development, understanding how to secure various phases of a blockchain app using an example-based approach. You’ll gradually learn to securely implement and develop decentralized apps, and follow deployment best practices. Finally, you’ll explore the architectural components of Hyperledger Fabric, and how they can be configured to build secure private blockchain networks. By the end of this book, you’ll have learned blockchain security concepts and techniques that you can implement in real blockchain production environments.

Preface

Who this book is for

What this book covers

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Section 1: Blockchain Security Core Concepts

Free Chapter

Introducing Blockchain Security and Attack Vectors

An introduction to blockchain

The building blocks of blockchain

Blockchain network topology

Establishing trust through consensus algorithms

Potential threats that affect trust

Summary

Cryptography Essentials

Technical requirements

A glimpse into cryptography

Symmetric versus asymmetric cryptography

Elliptic cryptography in blockchain

SHA hashing and digital signatures in practice

Blockchain Merkle trees

Summary

Blockchain Security Assumptions

Centralized models versus decentralized models

Advantages and disadvantages of blockchain

Blockchain versus DLT

Understanding transaction security

Attacking a blockchain

Understanding the quantum computing threat

Summary

Further Reading

Section 2: Architecting Blockchain Security

Trustless Blockchain Networks

Technical requirements

Network discovery with P2P

Block synchronization

Transaction management

Wallet key secure management

Summary

Securing Hyperledger Fabric

Permissioned blockchains and DLTs

Getting to know Hyperledger Fabric

Hyperledger strong identities

Hyperledger chaincode security

Preventing common threats with Hyperledger

Summary

Section 3: Securing Decentralized Apps and Smart Contracts

Decentralized Apps and Smart Contracts

Technical requirements

Introducing DApps

Introducing smart contract fundamentals

Creating secure smart contracts

Executing secure smart contracts

Summary

Preventing Threats for DApps and Smart Contracts

Technical requirements

Hacking smart contracts

Analyzing smart contract threats

Smart contract attack examples

Preventing smart contract attacks

Analyzing smart contracts for security

Summary

Section 4: Preserving Data Integrity and Privacy

Exploiting Blockchain as an Attack Vector

Storing illicit data in the blockchain

Preserving anonymity in the blockchain

Dealing with identity theft

Spreading malware with blockchain

Summary

Analyzing Privacy and GDPR Compliance Issues

Preserving sensitive data in a blockchain

Leveraging blockchain for healthcare

Improving IoT security with blockchain

Reconciling blockchain with the GDPR

Summary

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