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You're reading from  Mastering Blockchain Programming with Solidity

Product typeBook
Published inAug 2019
Reading LevelIntermediate
PublisherPackt
ISBN-139781839218262
Edition1st Edition
Languages
Solidity
Tools
Blockchain
Concepts
Blockchain
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Author (1)
Jitendra Chittoda
Jitendra Chittoda
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Jitendra Chittoda

Jitendra Chittoda is a blockchain security engineer at ChainSecurity. His day job is to perform security audit on smart contracts and expose security vulnerabilities in Solidity and Scilla contracts. He has also developed a non-custodial, decentralized, P2P lending contracts for ETHLend. The Solidity contracts that he has developed or audited handle over $100 million worth of cryptoassets. He also served as a tech and security advisor in various ICO projects. Before finding his passion for blockchain, he coded in Java for over 11 years. He is the founder and leader of Delhi-NCR-JUG, a non-profit meetup group for Java. He holds a master's degree in computer applications and is regularly invited as a speaker at various conferences and meetups.
Read more about Jitendra Chittoda

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Chapter 14

  1. Ethereum is a public blockchain, hence all account addresses and transaction data are visible to everyone. There has been some research going on regarding the use of zk-SNARK (zero-knowledge succinct non-interactive argument of knowledge) to perform private transactions on the Ethereum blockchain.
  2. The delegatecall function should not be used at first. If it is required, then it should be used with extra care to ensure that delegatecall does not allow unauthorized code execution.
  3. To prevent your contracts from re-entrancy attacks, you must ensure that the state variables are updated before sending ether using the <address>.transfer() function. In other words, the transfer function should be called at the last step in the function.
  4. The Solidity language uses the intX and uintX data types. Both of these data types are prone to integer overflow...
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Mastering Blockchain Programming with Solidity
Published in: Aug 2019Publisher: PacktISBN-13: 9781839218262
© 2019 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Jitendra Chittoda

Jitendra Chittoda is a blockchain security engineer at ChainSecurity. His day job is to perform security audit on smart contracts and expose security vulnerabilities in Solidity and Scilla contracts. He has also developed a non-custodial, decentralized, P2P lending contracts for ETHLend. The Solidity contracts that he has developed or audited handle over $100 million worth of cryptoassets. He also served as a tech and security advisor in various ICO projects. Before finding his passion for blockchain, he coded in Java for over 11 years. He is the founder and leader of Delhi-NCR-JUG, a non-profit meetup group for Java. He holds a master's degree in computer applications and is regularly invited as a speaker at various conferences and meetups.
Read more about Jitendra Chittoda

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