Book Image

Blockchain By Example

By : Bellaj Badr, Richard Horrocks, Xun (Brian) Wu
Book Image

Blockchain By Example

By: Bellaj Badr, Richard Horrocks, Xun (Brian) Wu

Overview of this book

The Blockchain is a revolution promising a new world without middlemen. Technically, it is an immutable and tamper-proof distributed ledger of all transactions across a peer-to-peer network. With this book, you will get to grips with the blockchain ecosystem to build real-world projects. This book will walk you through the process of building multiple blockchain projects with different complexity levels and hurdles. Each project will teach you just enough about the field's leading technologies, Bitcoin, Ethereum, Quorum, and Hyperledger in order to be productive from the outset. As you make your way through the chapters, you will cover the major challenges that are associated with blockchain ecosystems such as scalability, integration, and distributed file management. In the concluding chapters, you’ll learn to build blockchain projects for business, run your ICO, and even create your own cryptocurrency. Blockchain by Example also covers a range of projects such as Bitcoin payment systems, supply chains on Hyperledger, and developing a Tontine Bank Every is using Ethereum. By the end of this book, you will not only be able to tackle common issues in the blockchain ecosystem, but also design and build reliable and scalable distributed systems.
Table of Contents (13 chapters)

The Tontine contract

As stated in the introduction, Tontine is a competitive multiplayer game. When it starts, players pool their money into the Tontine contract, and once the game is over, all the funds are handed to the last surviving participant. Meanwhile, players take turns trying to stabilize their position and eliminate their opponents. The main rules of our Tontine game are as follows:

  • A player can join the game by paying at least 1 ETH to the contract.
  • The game starts when the first player enters.
  • The player needs to ping the contract every day.
  • If the player hasn't pinged the contract during the last 24 hours, other users can eliminate them.
  • The last player will get all the money out of the contract and the game ends.

General structure

...