August 2019
Intermediate to advanced
486 pages
13h 52m
English
Content preview from Mastering Blockchain Programming with Solidity
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Questions
- What is the use of the ERC165 standard?
- Where should the ERC721 NFT standard be used?
- Why are the _mint() and _burn() functions present in the ERC721.sol file?
- Are there any advanced token standards for non-fungible tokens?
- Why isn't there a transfer() function in ERC721 like the one in the ERC20 standard?
- How can we find out whether a new token has been minted, or an existing token has been burned, using the Transfer event?
- Why is there a bytes data parameter present in the IERC721Receiver.onERC721Received() function?