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Blockchain By Example

You're reading from   Blockchain By Example A developer's guide to creating decentralized applications using Bitcoin, Ethereum, and Hyperledger

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Product type Paperback
Published in Nov 2018
Publisher Packt
ISBN-13 9781788475686
Length 528 pages
Edition 1st Edition
Languages
Tools
Concepts
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Authors (3):
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Xun (Brian) Wu Xun (Brian) Wu
Author Profile Icon Xun (Brian) Wu
Xun (Brian) Wu
Bellaj Badr Bellaj Badr
Author Profile Icon Bellaj Badr
Bellaj Badr
Richard Horrocks Richard Horrocks
Author Profile Icon Richard Horrocks
Richard Horrocks
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Toc

Table of Contents (13) Chapters Close

Preface 1. Say Hello to Blockchain FREE CHAPTER 2. Building a Bitcoin Payment System 3. Building Your Own Cryptocurrency 4. Peer-to-Peer Auctions in Ethereum 5. Tontine Game with Truffle and Drizzle 6. Blockchain-Based Futures System 7. Blockchains in Business 8. Creating an ICO 9. Distributed Storage IPFS and Swarm 10. Supply Chain on Hyperledger 11. Letter of Credit (LC) Hyperledger 12. Other Books You May Enjoy

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

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