NFT Standards Master ERC-721 and ERC-1155 NFT standards, metadata best practices, and advanced NFT features. When to Use This Skill - Creating NFT collections (art, gaming, collectibles) - Implementing marketplace functionality - Building on-chain or off-chain metadata - Creating soulbound tokens (non-transferable) - Implementing royalties and revenue sharing - Developing dynamic/evolving NFTs ERC-721 (Non-Fungible Token Standard) ERC-1155 (Multi-Token Standard) Metadata Standards Off-Chain Metadata (IPFS) On-Chain Metadata Royalties (EIP-2981) Soulbound Tokens (Non-Transferable) Dynamic NFTs…