This is the code repository for Building Blockchain Projects, published by Packt. It contains all the supporting project files necessary to work through the book from start to finish.

This book will teach you what Blockchain is, how it maintains data integrity, and how to create real-world Blockchain projects using Ethereum. With interesting real-world projects, you will know learn how to write smart contracts which run exactly as programmed without any chance of fraud, censorship or third-party interference, and build end-to-end applications for Blockchain. You will learn concepts such as cryptography in cryptocurrencies, ether security, mining, smart contracts, and solidity. ##Instructions and Navigation All of the code is organized into folders. Each folder starts with a number followed by the application name. For example, Chapter02.

chapters 1, 2, 3 do not have any code files. chapter 1 is introduction, chapter 2 is setup and chapter 3 have minimal one class codes.

The code will look like the following:

var solc = require("solc"); 
var input = "contract x { function g() {} }"; 
var output = solc.compile(input, 1); // 1 activates the optimizer  
for (var contractName in output.contracts) { 
    // logging code and ABI  
    console.log(contractName + ": " + output.contracts[contractName].bytecode); 
    console.log(contractName + "; " + JSON.parse(output.contracts[contractName].interface)); 
}

You require Windows 7 SP1+, 8, 10 or Mac OS X 10.8+.

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