Book Image

Blockchain Developer's Guide

By : Brenn Hill, Samanyu Chopra, Paul Valencourt, Narayan Prusty
Book Image

Blockchain Developer's Guide

By: Brenn Hill, Samanyu Chopra, Paul Valencourt, Narayan Prusty

Overview of this book

Blockchain applications provide a single-shared ledger to eliminate trust issues involving multiple stakeholders. It is the main technical innovation of Bitcoin, where it serves as the public ledger for Bitcoin transactions. Blockchain Developer's Guide takes you through the electrifying world of blockchain technology. It begins with the basic design of a blockchain and elaborates concepts, such as Initial Coin Offerings (ICOs), tokens, smart contracts, and other related terminologies. You will then explore the components of Ethereum, such as Ether tokens, transactions, and smart contracts that you need to build simple DApps. Blockchain Developer's Guide also explains why you must specifically use Solidity for Ethereum-based projects and lets you explore different blockchains with easy-to-follow examples. You will learn a wide range of concepts - beginning with cryptography in cryptocurrencies and including ether security, mining, and smart contracts. You will learn how to use web sockets and various API services for Ethereum. By the end of this Learning Path, you will be able to build efficient decentralized applications. This Learning Path includes content from the following Packt products: • Blockchain Quick Reference by Brenn Hill, Samanyu Chopra, Paul Valencourt • Building Blockchain Projects by Narayan Prusty
Table of Contents (37 chapters)
Title Page
Copyright
About Packt
Contributors
Preface
Index

Chapter 1. Blockchain 101

 

Since its inception in 2008, blockchain has been a keen topic of interest for everyone in finance, technology, and other similar industries. Apart from bringing a new overview to record keeping and consensus, blockchain has enormous potential for disruption in most industries. Early adopters, enthusiasts, and now governments and organizations are exploring the uses of blockchain technology.

In this book, we will discuss the basics of financial transactions using fiat money to create our own cryptocurrency based on Ether tokens, and, in so doing, we will try to cover the majority of topics surrounding blockchain. We will be discussing Ethereum-based blockchains, Hyperledger projects, wallets, altcoins, and other exciting topics necessary to understand the functioning and potential of blockchain.

In this chapter, we will discuss the following:

  • Financial transactions
  • Financial ledger
  • P2P networks
  • General elements of a blockchain
  • Uses and benefits of blockchain
  • Various types of blockchain
  • Introducing the consensus system
  • Challenges faced by a blockchain network

Let's start by discussing each of the preceding listed topics and other important details surrounding them.