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You're reading from  The Essential Guide to Web3

Product typeBook
Published inNov 2023
PublisherPackt
ISBN-139781801813471
Edition1st Edition
Concepts
Blockchain
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Author (1)
Vijay Krishnan
Vijay Krishnan
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Vijay Krishnan

Vijay Krishnan, an experienced expert in blockchain and Web3, holds the position of head of SysOps for Linea, a Layer 2 blockchain at Consensys. With a rich background in blockchain, he's guided Fortune 100 companies from ideation to product build. With over 50 projects and 300+ use cases to his credit, Vijay has left an indelible mark on the industry. Prior to Consensys, he pioneered the AWS Partner Blockchain ecosystem and led IBM North America's Blockchain Practice. With two decades on Wall Street, he possesses deep financial and tech insights. Vijay, a leader and subject matter expert, empowers clients in DeFi, NFTs, gaming, and the metaverse. Beyond work, he's a mentor, speaker, author, and organic farmer. His knowledge and innovation continue to shape the blockchain and Web3 landscape.
Read more about Vijay Krishnan

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Summary

In this chapter, we discussed various aspects of Solidity smart contract development, focusing on security and best practices. We covered the importance of adhering to security guidelines and highlighted common mistakes and pitfalls, such as access control, input validation, error handling, visibility, safe math, upgradability, and testing and auditing.

We took a deep dive into access controls, addressing their significance in smart contracts and the potential issues that can arise from bad access control implementations. We also explored popular smart contract hacking incidents and failures, emphasizing the need for vigilance in contract development.

Upgradable smart contracts were examined, discussing their importance and the mechanisms for upgrading them, including the proxy pattern. We also discussed multisig contracts, their functionality, and advantages and disadvantages, and provided a simple multisig contract example.

Furthermore, we delved into smart contract...

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The Essential Guide to Web3
Published in: Nov 2023Publisher: PacktISBN-13: 9781801813471
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Vijay Krishnan

Vijay Krishnan, an experienced expert in blockchain and Web3, holds the position of head of SysOps for Linea, a Layer 2 blockchain at Consensys. With a rich background in blockchain, he's guided Fortune 100 companies from ideation to product build. With over 50 projects and 300+ use cases to his credit, Vijay has left an indelible mark on the industry. Prior to Consensys, he pioneered the AWS Partner Blockchain ecosystem and led IBM North America's Blockchain Practice. With two decades on Wall Street, he possesses deep financial and tech insights. Vijay, a leader and subject matter expert, empowers clients in DeFi, NFTs, gaming, and the metaverse. Beyond work, he's a mentor, speaker, author, and organic farmer. His knowledge and innovation continue to shape the blockchain and Web3 landscape.
Read more about Vijay Krishnan

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