What this book covers

Chapter 1, What are Decentralized Applications?, will explain what DApps are and provide an overview of blockchain-based DApps.  

Chapter 2, Building Blockchain Using Quorum, introduces the basics of Ethereum blockchain and the features of Quorum. This chapter also teaches you how to set up a Raft network using Quorum and various third-party tools and libraries. 

Chapter 3, Writing Smart Contracts, shows how to write smart contracts and use geth's interactive console to deploy and broadcast transactions using web3.js.

Chapter 4, Getting Started with web3.js, introduces web3.js and how to import and connect to geth, and explains how to use it in Node.js or client-side JavaScript.

Chapter 5, Building Interoperable Blockchains, explores what interoperable blockchains can achieve, the various technologies and patterns for achieving blockchain interoperability, and building interoperable blockchain networks to represent FedCoins. 

Chapter 6, Building Quorum as a Service Platform , will teach you the basics of cloud computing and containerization by examples. You'll learn how to install minikube, deploy containers on Kubernetes, and develop a Quorum-as-a-service using QNM.  

Chapter 7, Building a DApps for Digitizing Medical Records , gets into how to use proxy re-encryption to enable encrypted data sharing in blockchain. Besides proxy re-encryption, you'll also learn about a lot of JavaScript and Python libraries, such as etherumjs-wallet, ethereumjs-tx, ethereumjs-util, and npre. Also, you'll learn about signing transactions using keys stored outside a geth node. 

Chapter 8, Building a Payment Solution for Banks, looks at how to implement network permissioning in Quorum and  how to build a solution to transfer money using a mobile number.