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Table Of Contents

Blockchain Quick Start Guide

By : Xun (Brian) Wu, Sun

4 (3)

Buy this Book

Blockchain Quick Start Guide

4 (3)

By: Xun (Brian) Wu, Sun

Buy this Book

Overview of this book

Blockchain is a technology that powers the development of decentralized applications.This technology allows the construction of a network with no single control that enables participants to make contributions to and receive benefits from the network directly. This book will give you a thorough overview of blockchain and explain how a blockchain works.You will begin by going through various blockchain consensus mechanisms and cryptographic hash functions. You will then learn the fundamentals of programming in Solidity – the defacto language for developing decentralize, applications in Ethereum. After that, you will set up an Ethereum development environment and develop, package, build, and test campaign-decentralized applications.The book also shows you how to set up Hyperledger composer tools, analyze business scenarios, design business models, and write a chain code. Finally, you will get a glimpse of how blockchain is actually used in different real-world domains. By the end of this guide, you will be comfortable working with basic blockchain frameworks, and develop secure, decentralized applications in a hassle-free manner.

Preface

Who this book is for

What this book covers

To get the most out of this book

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Free Chapter

Introduction to Blockchain Technology

The genealogy analogy

The consensus mechanism

Enterprise blockchain – Hyperledger

The evolution of blockchain

Summary

Ethereum Fundamentals

An overview of Ethereum

Ethereum basic concepts

Performance

Summary

Overview of Solidity Programming

What is solidity?

Tools for solidity development environment

Introduction to smart contracts

Common smart contract patterns

Smart contract security

Case study – crowdfunding campaign

Summary

Building an Ethereum Blockchain Application

Decentralized application overview

DApp development tools

Setting up an Ethereum development environment

Deploying a smart contract

Writing a campaign decentralized application

Summary

Exploring an Enterprise Blockchain Application Using Hyperledger Fabric

Key concepts in Hyperledger Fabric

Core component model

Setting up a Hyperledger Fabric environment

Writing chaincode

Configuring Hyperledger Fabric

Summary

Implementing Business Networks Using Hyperledger Composer

Hyperledger Composer – a quick overview

Setting up a Hyperledger Composer environment

Analyzing business scenarios

Business network archive

Implementing the business transaction function

Summary

Blockchain Use Cases

Blockchain use case examples

How to choose a proper use case

DApp use case – healthcare data sharing

Summary

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Ethereum Fundamentals

Ethereum is an open source public blockchain and is considered to be an alternative coin to Bitcoin. A Canadian cryptocurrency researcher and programmer, Vitalik Buterin, proposed the idea in late 2013. Founded by an online crowdsale that took place in the middle of 2014, the platform went live at the end of July 2015. The DAO event in 2016 led to a hard fork, resulting in a split into Ethereum (ETH) and Ethereum Classic (ETC).

In this chapter, we cover the following topics about Ethereum:

Overview of Ethereum
Basic concepts such as ether, ERC20 tokens, smart contracts, EVM, gas, accounts, and oracles
The Ethereum performance issue and ongoing efforts to address the issue, such as PoS, Casper, Plasma, and Sharding