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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
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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
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Richard Horrocks
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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

Building an auction DApp

Now that you have a basic idea of what Ethereum and DApps are, we can start to build our auction DApp. An auction is a typical example, but it is complex enough to provide a perfect first DApp. It demonstrates the trustless nature of the blockchain, in which we can manage funds automatically and securely, without requiring legal recourse or relying on a trusted third party. Moreover, auctions are generally needed for building smart contracts for token sales in ICOs, which is a hot topic that we will cover in Chapter 8, Creating an ICO.

To summarize, our auction DApp will be a web application that enables users to start in auctions using ether. Let's see what we can throw together:

  • First, we will write (in Solidity) and compile the auction contract
  • We will interact with our contract through a web page
  • We will deploy our smart contract on different...
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