73 Solidity Interview Questions

  1. What is the biggest NFT marketplace?
  2. What is a gas fee?
  3. What is an ERC? Describe Ethereum standards for protocol specifications client apis and contract standards (ex ERC20 tokens).
  4. What is a token fallback function?
  5. Name two 3rd party services that provide push notifications on blockchain emitted events (like ERC20 transfers).
  6. Which DeFi protocols do you use on regular basis?
  7. Have you ever participated in a governance proposal?
  8. Please, share an address of a smart contract you have worked/deployed on Ethereum mainnet:
  9. What attracted you to the space?
  10. Describe the most difficult time in your life?
  11. Why are you a great fit for this role?
  12. What is your favorite crypto project?
  13. What does loyalty in business mean to you?
  14. Who is the person, living or dead, that you admire the most?
  15. Have any suggest method to reduce sol file ?
  16. Have any idea to deal with NFT voting contract ?
  17. Suggest your most organized solidity project link or sketch.
  18. How many year of experience do you have in solidity/Smart contracts ?
  19. Can you Start immediately
  20. Where are you based ?
  21. What is impermanent loss and how is it relevant to an AMM vs. an orderbook?
  22. What are the advantages of allowing partial liquidations in a lending protocol vs. only allowing full liquidations? (Assume that anyone can run liquidator bots.)
  23. Say we have lending/borrowing pools that support spot margin trading. What are the downsides to those pools having a low utilization rate?
  24. Do you have experience in crypto space?
  25. What would you change immediately because you do not like it?
  26. When can you start with us?
  27. Would you like our team meeting in the mountains and on the seaside?
  28. What is DeFi?
  29. Why is decentralization important to you?
  30. Coffee or Adderall?
  31. What is your favourite DeFi project right now and why?
  32. What do you think will be the next big trend within DeFi?
  33. What do you think is the best testing framework for smart contracts and why?
  34. How many years of experience do you have in blockchain development?
  35. Describe your experience in developing Smart Contracts in Solidity.
  36. Do you have experience with Layer 2 (Matic/Polygon) development?
  37. Do you have experience with or understand Merkle Trees?
  38. Have you coded a Dutch Auction previously?
  39. What is the meaning of 20*2+2?
  40. Describe your solidity experience?
  41. What projects have you worked on in the past?
  42. Launching token on boths ETH and BSC chain one time - what tools you gonna use
  43. How you will control the price and amount on both chains
  44. How you gonna solve security problems in cross-chain transactions
  45. What is your Solidity developer tool stack? (Truffle, Remix etc.)
  46. Could you provide a link to a dApp you have deployed on a testnet or mainnet blockchain? (also please specify your role in creating that product)
  47. What excites you most about working as a developer in the blockchain space?
  48. Links to things you have built or coded
  49. Please tell us what type of work you like doing
  50. Who is Satoshi?
  51. What language are EVM smart contracts written in?
  52. Who created Ethereum?
  53. Where can we see links to previous Solidity code you have written?
  54. What is your hourly rate?
  55. What is ERC20?
  56. What security best practices would you use to prevent contracts from a hack?
  57. Is saving data to storage or memory more expensive and why?
  58. How many years of experience do you have with Solidity?
  59. Describe the logic behind the most complex smart contract you've written from scratch prior to publication?
  60. Telegram / twitter of any person who can confirm your skills.
  61. What inspired you to get into coding?
  62. What books or courses on Solidity have you done?
  63. How much experience do you have with Solidity?
  64. Have you worked with NFT related smart contracts before?
  65. Can you name a few projects you have worked on?
  66. What is a NFT?
  67. Please describe your experience with smart contracts and blockchain protocols.
  68. How many years of solidity experience do you have?
  69. If selected for this position, when is your availability to start?
  70. Have you deployed a working smart contract to a production EVM blockchain?
  71. What is a DAO?
  72. What is the difference between a centralized and decentralized platform?
  73. What is governance token?