Blockchain Book – Building Blokchain Project

Building Blockchain Project

Chapter 1: Understanding Decentralized Applications

  • What are DApps?
  • What is the difference between decentralized, centralized, and distributed applications?
  • Advantages and disadvantages of centralized and decentralized applications.
  • An overview of the data structures, algorithms, and protocols used by some of the most popular DApps.
  • Learning about some popular DApps that are built on top of other DApps.

Chapter 2: Understanding How Ethereum Works

  • Ethereum user accounts
  • What are smart contracts and how do they work?
  • Ethereum virtual machine
  • How does mining work in the proof-of-work consensus protocol?
  • Learning how to use the geth command
  • Setting up the Ethereum Wallet and Mist
  • Overview of Whisper and Swarm
  • The future of Ethereum

Chapter 3: Writing Smart Contracts

  • The layout of Solidity source files
  • Understanding Solidity data types
  • Special variables and functions of contracts
  • Control structures
  • Structure and features of contracts
  • Compiling and deploying contracts

Chapter 4: Getting Started with web3.js

  • Importing web3.js in Node.js and client-side JavaScript
  • Connecting to geth
  • Exploring the various things that can be done using web3.js
  • Discovering various most used APIs of web3.js
  • Building a Node.js application for an ownership contract

Chapter 5: Building a Wallet Service

  • Difference between online and offline wallets
  • Using hooked-web3-provider and ethereumjs-tx to make it easier to create and sign transactions using accounts not managed by an Ethereum node
  • Understanding what a HD wallet is and also its uses
  • Creating an HD wallet and a transaction signer using lightwallet.js
  • Building a wallet service

Chapter 6: Building a Smart Contract Deployment Platform

  • Calculating the nonce of a transaction
  • Using the transaction pool JSON-RPC API
  • Generating data of a transaction for contract creation and method invocation
  • Estimating the gas required by a transaction
  • Finding the current spendable balance of an account
  • Compiling smart contracts using solcjs
  • Developing a platform to write, compile, and deploy smart contracts

Chapter 7: Building a Betting App

  • How does Oraclize work?
  • What are Oraclize’s various data sources and how do each of them work?
  • How does consensus work in Oraclize?
  • Integrating Oraclize in Ethereum smart contracts
  • Using strings the Solidity library to make it easy to work with strings
    Building a football betting app

Chapter 8: Building Enterprise Level Smart Contracts

  • What the ethereumjs-testrpc node is and how to use it?
  • What are topics of events?
  • Working with contracts using the truffle-contract package.
  • Installing truffle and exploring the truffle command-line tool and configuration file.
  • Compiling, deploying, and testing Solidity code using truffle
    Package management via NPM and EthPM
  • Using the truffle console and writing external scripts
  • Building clients for the DApp using truffle

Chapter 9: Building a Consortium Blockchain

  • Why is Ethereum unfit for consortium blockchain?
  • What is parity node and what are its features?
  • What is the Proof-of-Authority consensus protocol and what types of PoA are supported by parity?
  • How does the Aura consensus protocol work?
  • Downloading and installing parity
  • Building a consortium blockchain using parity

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