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Ethereum Cookbook

You're reading from   Ethereum Cookbook Over 100 recipes covering Ethereum-based tokens, games, wallets, smart contracts, protocols, and Dapps

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781789133998
Length 404 pages
Edition 1st Edition
Languages
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Author (1):
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Manoj P R Manoj P R
Author Profile Icon Manoj P R
Manoj P R
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Toc

Table of Contents (13) Chapters Close

Preface 1. Getting Started 2. Smart Contract Development FREE CHAPTER 3. Interacting with the Contract 4. The Truffle Suite 5. Tokens and ICOs 6. Games and DAOs 7. Advanced Solidity 8. Smart Contract Security 9. Design Decisions 10. Other Protocols and Applications 11. Miscellaneous 12. Other Books You May Enjoy

Generating random numbers in Solidity

Some applications might need a random number generator (RNG) to perform specific tasks. There are many use cases where randomness is an essential part. For example, a decentralized lottery requires a random number to select the winner. Randomness can also be used to provide suggestions to the users of the application.

Generating a random number can be tricky in a decentralized system such as Ethereum for various reasons. Such functionality has to be achieved through design workarounds. In this chapter, you will learn how to build an RNG that can be used in your DApp.

Getting ready

It is required to have at least a basic knowledge of writing smart contracts and building DApps using Web3JS...

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