erc2981

Create 32 x 32 = 1024 pixels art as NFT on Polygon blockchain.

ERC1155 with ERC2981 Royalty Standard

Mint expanded NFT (ERC721) drops

Useful notes and source codes for "Blockchain Developers"

Decentralized NFT marketplace with EIP-712 signed listings, royalty support and platform fees

ERC-8004 agent identity with ERC-6551 Token Bound Accounts, on chain memory, and EIP-712/EIP-3009 dual-signature x402 payment settlement

This is new Interactive NFT using ERC3664 and ERC2981 combined with DAO

Multi-collection NFT marketplace supporting fixed price listings, English auctions, offers, ERC-2981 royalties, and platform fees.

Complete ERC 721 testing and implementation with marketplace and royalty features.

Rentable NFT & Royal ERC4907 ERC2981

ERC-6105 No Intermediary NFT Trading Protocol and its extensions' implementation in Cairo

Ethereum contracts for NOT FOR HUMANS: onchain agent portraits, signed agent decisions, ownership, and non-custodial markets.

TON bc NFT Loyalty Contract

Onchain avatar and wearables system on ERC-6551 token-bound accounts, with from-scratch soulbound ERC-721/1155 standards and onchain leveling. Solidity and Foundry, verified on Ethereum mainnet.

Production-ready Solidity templates for regulated tokenization: ERC-20 with vesting, ERC-721 with EIP-2981 royalties, multi-sig custodial vault. Hardhat + OpenZeppelin 5 + full TypeScript test suite.

A consignment marketplace for ERC-721 tokens: pull payments, capped royalties, and listings that admit when they have gone stale

Official Cobox NFT contracts (Username CBXU + Environment CBXE) — ERC-721/ERC-2981, built with Hardhat & OpenZeppelin, deployed on BNB Smart Chain (BSC).

ERC721 smart contract that creates unique NFTs integrating IERC2981 royalties

Mobile-first PWA marketplace for the ipê.city community. Pay with PIX or any crypto, pickup at the next event. Onchain receipts (ERC-1155 on Base) coming soon.