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What is the unchecked block in Solidity, and when would you use it?
Naresh Beniwal
Aug 16
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0
Answer
Explain the concept of gas optimization in Solidity. Provide examples of techniques to optimize gas usage.
Naresh Beniwal
Aug 16
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What is a smart contract in the context of Solidity?
Naresh Beniwal
Aug 16
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0
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How can you reduce the impact of blockchain transaction costs on data-heavy applications?
Naresh Beniwal
Aug 16
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Answer
What strategies would you use to optimize performance when integrating smart contracts with a database?
Naresh Beniwal
Aug 16
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0
Answer
Explain how you would handle integer overflows and underflows in your Solidity code. Provide an example of how you would implement safe math operations.
Naresh Beniwal
Aug 16
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0
Answer
Design a Solidity contract for a simple decentralized auction system. Describe how you would structure the contract, handle bids, and ensure fair outcomes.
Naresh Beniwal
Aug 16
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0
Answer
Write a test case using a framework like Truffle or Hardhat for a Solidity function that calculates the total supply of a custom ERC20 token.
Naresh Beniwal
Aug 16
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0
Answer
How do you handle exceptions and error handling in Solidity?
Naresh Beniwal
Aug 16
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0
Answer
Describe the process of writing unit tests for Solidity contracts.
Naresh Beniwal
Aug 16
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0
Answer
What is the role of events in Solidity, and how are they used to log information?
Naresh Beniwal
Aug 16
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0
Answer
What are some common security vulnerabilities in Solidity smart contracts?
Naresh Beniwal
Aug 16
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Answer
What is the purpose of a function in Solidity, and how do you declare one?
Naresh Beniwal
Aug 16
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0
Answer
What are function modifiers, and how do they improve the security and functionality of smart contracts?
Naresh Beniwal
Aug 16
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0
Answer
What is the purpose of the mapping data structure in Solidity?
Naresh Beniwal
Aug 16
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