Blockchain Book – Building Blokchain 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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