nft-standards
ERC-721 and ERC-1155 NFT standards with metadata, royalties, and advanced features.
- Covers both ERC-721 (unique tokens) and ERC-1155 (multi-token) standards with complete contract examples including minting, burning, and supply management
- Supports off-chain metadata via IPFS and on-chain metadata with SVG generation, plus EIP-2981 royalty implementation for marketplace compatibility
- Includes soulbound token patterns (non-transferable), dynamic NFTs with evolving state, and gas-optimized minting via ERC721A
- Provides metadata JSON schema with trait definitions, display types, and rarity attributes for marketplace integration
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)
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
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