- 1. Introduction
- 2. Guide to Tokens
- 3. NFT Collectible Application
- 4. ERC-721 Token Contract
- 4.1. Interface Setup
- 4.2. balanceOf, ownerOf and transferFrom explanation
- 4.3. balanceOf and ownerOf function Implementation
- 4.4. transferFrom function Implementation
- 4.5. Why safeTransferFrom function?
- 4.6. safeTransferFrom function Implementation
- 4.7. approval functions Implementation
- 4.8. What is ERC-165?
- 4.9. ERC-721 extensions
- 5. Graph Token Backend
- 6. Graph NFT Frontend
- 7. Simple Exchange Implementation