Decentralized NFT Marketplace Smart Contract

A fully-featured decentralized NFT marketplace built on Ethereum using Solidity smart contracts. This project enables users to mint, list, buy, and sell NFTs in a trustless, secure environment. The marketplace implements industry-standard ERC-721 token protocol with comprehensive trading features and administrative controls.

KEY FEATURES:

- NFT Minting: Create new NFTs with unique metadata and tokenURI

- Advanced Listing Management: List NFTs for sale with custom pricing

- Secure Trading System: Buy and sell NFTs directly on the marketplace

- Smart Contract Escrow: Automatic fund escrow for safe transactions

- Owner Controls: Administrative functions for marketplace management

- Comprehensive Event Logging: All marketplace activities are tracked and auditable

- Reentrancy Protection: Security measures against common smart contract vulnerabilities

- Multi-network Support: Deploy to Ethereum, Sepolia, Goerli, and Polygon