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Mastering Blockchain Programming with Solidity

You're reading from   Mastering Blockchain Programming with Solidity Write production-ready smart contracts for Ethereum blockchain with Solidity

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Product type Paperback
Published in Aug 2019
Publisher Packt
ISBN-13 9781839218262
Length 486 pages
Edition 1st Edition
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Author (1):
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Jitendra Chittoda Jitendra Chittoda
Author Profile Icon Jitendra Chittoda
Jitendra Chittoda
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Table of Contents (21) Chapters Close

Preface 1. Section 1: Getting Started with Blockchain, Ethereum, and Solidity
2. Introduction to Blockchain FREE CHAPTER 3. Getting Started with Solidity 4. Control Structures and Contracts 5. Section 2: Deep Dive into Development Tools
6. Learning MetaMask and Remix 7. Using Ganache and the Truffle Framework 8. Taking Advantage of Code Quality Tools 9. Section 3: Mastering ERC Standards and Libraries
10. ERC20 Token Standard 11. ERC721 Non-Fungible Token Standard 12. Deep Dive into the OpenZeppelin Library 13. Using Multisig Wallets 14. Upgradable Contracts Using ZeppelinOS 15. Building Your Own Token 16. Section 4: Design Patterns and Best Practices
17. Solidity Design Patterns 18. Tips, Tricks, and Security Best Practices 19. Assessments 20. Other Books You May Enjoy

Controlling contracts with multisig

In the previous chapters, we looked at different contracts that maintain access rights for a contract, such as  Ownable.sol, MinterRole.sol, and PauserRole.sol. These access roles are basically given to an EOA. However, if the private key of that EOA account is stolen, then an attacker can potentially steal funds or perform malicious activities on the contracts.

If you transfer these kinds of access rights to an already deployed multisig address, more security will be provided. To do this, you can perform the following steps:

  1. Deploy a new multisig wallet and initialize it with the required number of owners.
  2. Ensure that the multisig wallet deployment is working and that the required number of owners are able to sign the transactions and execute it. This is done to ensure that the setup is working.
  3. The ownership...
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