Token Standards (ERC-20, ERC-721, etc.) MCQs

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1. : ERC-20 tokens are primarily designed for representing which type of assets?





2. : ERC-721 tokens are most commonly used for ____.





3. : Which Ethereum Improvement Proposal introduced ERC-20?





4. : Which ERC standard is also known as the “multi-token standard”?





5. : Which of the following functions is defined in ERC-20?





6. : CryptoKitties, one of the earliest NFT projects, used which token standard?





7. : Which standard enables both fungible and non-fungible tokens in a single smart contract?





8. : Which ERC standard was designed as an upgrade over ERC-20?





9. : Stablecoins like USDT and USDC are implemented using which token standard?





10. : What does ERC stand for in Ethereum?





11. : Which function in ERC-20 returns the token supply?





12. : Which token standard is mainly used for security tokens with compliance features?





13. : Which ERC standard is called the “Composable NFT” standard?





14. : Which function in ERC-721 identifies the owner of a token?





15. : Which ERC standard allows batch transfers of multiple tokens at once?





16. : Which ERC standard enables operator-based token management and gasless transactions?





17. : Decentraland LAND parcels are examples of which token type?





18. : Which ERC standard is backward compatible with ERC-20?





19. : The tokenURI() function in ERC-721 provides ____.





20. : Which of these ERC standards is NOT real?





21. : The ERC-20 function transferFrom() allows ____.





22. : Which ERC standard defines indivisible and unique tokens?





23. : Which ERC standard is used for tokenized securities and includes compliance rules?





24. : ERC-1155 was created to improve efficiency in ____.





25. : The ERC-20 allowance() function is used to check ____.





26. : Which ERC standard supports NFTs that can own other NFTs?





27. : ERC-20 tokens are ____.





28. : Which ERC standard introduced operator hooks on token transfers?





29. : Which token standard became the foundation for most NFTs?





30. : Which ERC standard enables a single smart contract to handle multiple token types?





31. : Which ERC standard introduced decimals to specify token divisibility?





32. : Which standard includes features for KYC and compliance checks?





33. : The primary limitation of ERC-20 is ____.





34. : Which ERC standard is sometimes called the “security token standard”?





35. : Which ERC standard allows gas-efficient atomic swaps between fungible and non-fungible tokens?





36. : Which of these is the first widely adopted Ethereum token standard?





37. : Which ERC standard powers most DeFi governance tokens?





38. : The concept of “fractional NFTs” belongs to ____.





39. : Which ERC standard supports both fungible tokens and NFTs simultaneously?





40. : Which token standard is mainly used for DAO governance?





41. : Which function is unique to ERC-721 tokens?





42. : Which ERC standard is best suited for large-scale blockchain gaming projects?





43. : ERC-777 improved ERC-20 by introducing ____.





44. : Which ERC standard defines non-divisible tokens?





45. : Which ERC standard introduced a composability feature for NFTs?





46. : ERC-1155 reduces gas fees by allowing ____.





47. : Which ERC standard supports unique IDs for each token?





48. : The ERC-20 function balanceOf() provides ____.





49. : Which ERC standard supports semi-fungible tokens?





50. : Which ERC standard is the backbone of most fungible tokens in Ethereum?





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