Book Image

Blockchain with Hyperledger Fabric - Second Edition

By : Nitin Gaur, Anthony O'Dowd, Petr Novotny, Luc Desrosiers, Venkatraman Ramakrishna, Salman A. Baset
Book Image

Blockchain with Hyperledger Fabric - Second Edition

By: Nitin Gaur, Anthony O'Dowd, Petr Novotny, Luc Desrosiers, Venkatraman Ramakrishna, Salman A. Baset

Overview of this book

Blockchain with Hyperledger Fabric - Second Edition is a refreshed and extended version of the successful book on practical Hyperledger Fabric blockchain development. This edition includes many new chapters, alongside comprehensive updates and additions to the existing ones. Entirely reworked for Hyperledger Fabric version 2, this edition will bring you right up to date with the latest in blockchain. Using a real-world Trade Finance and Logistics example, with working code available on GitHub, you’ll really understand both how and why Hyperledger Fabric can be used to maximum effect. This book is your comprehensive guide and reference to explore and build blockchain networks using Hyperledger Fabric version 2. This edition of the book begins by outlining the evolution of blockchain, including an overview of relevant blockchain technologies. Starting from first principles, you’ll learn how to design and operate a permissioned blockchain network based on Hyperledger Fabric version 2. You will learn how to configure the main architectural components of a permissioned blockchain network including Peers, Orderers, Certificate Authorities, Channels, and Policies. You’ll then learn how to design, develop, package, and deploy smart contracts, and how they are subsequently used by applications. This edition also contains chapters on DevOps, blockchain governance, and security, making this your go-to book for Hyperledger Fabric version 2.

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Blockchain with Hyperledger Fabric - Second Edition
Nitin Gaur | Anthony O'Dowd | Petr Novotny | Luc Desrosiers | Venkatraman Ramakrishna | Salman A. Baset
Nov, 2020 | 756 pages
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Table of Contents (18 chapters)
Preface
Preface
Who this book is for
What this book covers
Downloading the example code
Get in touch
1
Blockchain – An Enterprise and Industry Perspective
Blockchain – An Enterprise and Industry Perspective
Our focus for the new edition
Defining the terms – what is blockchain?
Design considerations for blockchain solutions
Fundamentals of the secure transaction processing protocol
Where blockchain technology has been and where it's going
Blockchain in the enterprise
Enterprise design principles
Business considerations for choosing a blockchain framework
Technology considerations for choosing a blockchain framework
Enterprise integration and designing for extensibility
Other considerations
Summary
References
Free Chapter
2
Exploring Hyperledger Fabric
Exploring Hyperledger Fabric
Building on the foundations of open computing
Fundamentals of the Hyperledger project
Hyperledger frameworks, tools, and building blocks
Hyperledger Fabric component design
Hyperledger Fabric – the journey of a sample transaction
Actors and components in a Hyperledger Fabric network
CAP theorem
New features covered in this book
Summary
3
Business Networks
Business Networks
A busy world of purposeful activity
Why a language for business networks?
Defining a business network
Introducing participants
Introducing assets
Introducing transactions
Introducing events
Business network technology
Summary
4
Setting the Stage with a Business Scenario
Setting the Stage with a Business Scenario
Trading and letters of credit
Business scenario and use case
Designing and configuring a Hyperledger Fabric trade network
Launching a sample trade network
Configuring our development environment for network operations
Summary
5
Designing Smart Contract Transactions and Ledger Data Structures
Designing Smart Contract Transactions and Ledger Data Structures
Architecture of the trade solution
Starting the contract development
Creating a contract
Access control
Implementing contract functions
Testing a contract
Advanced contract design topics
Transaction mechanisms
Logging output
Summary
6
Developing Smart Contracts
Developing Smart Contracts
Business networks
Solution application components
The multi-party transaction
The ledger
Smart contracts
Programming language
Endorsement policy
Summary
7
Developing Applications
Developing Applications
Applications
Wallets and identity
Gateways
Accessing networks and smart contracts
Querying the ledger
Submitting a new transaction
Events and notifications
Summary
8
Advanced Topics for Developing Smart Contracts and Applications
Advanced Topics for Developing Smart Contracts and Applications
Customizing SDK behavior
Transient data
Private data
Collection and state endorsements policy
Advanced smart contract packaging
Summary
9
Network Operation and Distributed Application Building
Network Operation and Distributed Application Building
Stages in a Fabric network's life cycle
Fabric application model and architecture
Operations – network setup and bootstrap
Developing service-layer applications
Exercising the application through a presentation layer
Using a production-grade ordering service
Summary of key steps
Summary
10
Enterprise Design Patterns and Considerations
Enterprise Design Patterns and Considerations
Design considerations
Integration design patterns
Resiliency and fault tolerance
Summary
11
Agility in a Blockchain Network
Agility in a Blockchain Network
Defining the promotion process
Continuous integration
Testing considerations for the trade network
Continuous delivery
Summary
12
Governance – A Necessary Evil of Regulated Industries
Governance – A Necessary Evil of Regulated Industries
Decentralization and governance
Exploring business models
Funding models
Governance of a business network
Mapping business roles to blockchain roles
Governance structure
Business domains and processes
Blockchain as a governance tool
Summary
13
Life in a Blockchain Network
Life in a Blockchain Network
Modifying or upgrading a Hyperledger Fabric application
System monitoring and performance
Summary
14
Hyperledger Fabric Security
Hyperledger Fabric Security
Hyperledger Fabric design goals impacting security
Hyperledger Fabric architecture
Network bootstrap and data governance: the first step toward security
Strong identities: the key to the security of the Hyperledger Fabric network
Smart contract security
Common threats and how Hyperledger Fabric mitigates them
Hyperledger Fabric and quantum computing
GDPR considerations
Summary
15
Blockchain's Future, Protocol Commercialization, and Challenges Ahead
Blockchain's Future, Protocol Commercialization, and Challenges Ahead
Summary of key Hyperledger projects
Blockchain's future and the challenges ahead
How can you help and stay engaged?
Summary
16
Another Book You May Enjoy
Another Book You May Enjoy
17
Index
Index

Hyperledger Fabric Security

Hyperledger Fabric has a modular architecture. It has been designed to allow a known set of actors to participate and perform actions in a blockchain network (the so-called permissioned blockchain). Due to its modular nature, it can be deployed in many different configurations. The different deployment configurations of Hyperledger Fabric have varying security implications for the operator of the network, as well as its users.

At its core, Hyperledger Fabric is a public key infrastructure (PKI) system, and thus it inherits the security (and complexity) associated with such systems. At the time of writing this book, Hyperledger Fabric 2.1.1 has been released.

The security aspects of designing and implementing a blockchain network have been discussed in earlier application chapters; here, we intend to give a broader as well as a more in-depth view of security.

We will be covering the following topics in this chapter:

  • Design goals impacting...
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