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Raymond Cheung edited this page May 7, 2024 · 3 revisions

Solidity Questions

  1. What is a smart contract, and how does it differ from a traditional contract?

    A smart contract is a self-executing contract with the terms of the agreement between parties written into code. The code controls the execution, enforcement, and management of the agreement, automating the process and removing the need for intermediaries. Smart contracts typically run on blockchain platforms, providing transparency, security, and immutability.

    In contrast, a traditional contract is a legally binding agreement between parties, usually in written or verbal form, outlining the terms and conditions of their relationship or transaction. These contracts rely on human intermediaries such as lawyers, banks, or notaries to enforce and execute the terms. They are subject to interpretation, may require manual intervention to enforce, and are often stored in centralized databases, which can be vulnerable to tampering or manipulation.

  2. Explain the role of Solidity in the development of smart contracts.

  3. What is Ethereum, and why is it commonly used for deploying smart contracts?

  4. How do smart contracts facilitate trustless transactions on blockchain networks?

  5. Describe the basic structure of a Solidity smart contract.

  6. What are the different data types available in Solidity?

  7. Explain the concept of gas in the context of Ethereum smart contracts.

  8. What is the purpose of the fallback function in a Solidity smart contract?

  9. What are modifiers in Solidity, and how are they used?

  10. Describe the difference between view, pure, and payable functions in Solidity.

  11. What are events in Solidity, and why are they useful?

  12. Explain the concept of function visibility (public, private, internal, external) in Solidity.

  13. What is a constructor function in Solidity, and when is it executed?

  14. Describe the difference between storage and memory in Solidity.

  15. What is the purpose of the msg global variable in Solidity?

  16. How does error handling work in Solidity?

  17. What are smart contract vulnerabilities, and how can they be mitigated?

  18. Explain the importance of testing smart contracts, and describe common testing methodologies.

  19. What tools and frameworks are commonly used for smart contract development and testing?

  20. Describe the process of deploying a Solidity smart contract to the Ethereum blockchain.

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