Metaplex (MPLX) is a decentralized platform built on the Solana blockchain that enables creators to mint, sell, and trade non-fungible tokens (NFTs) and digital assets. It aims to provide a user-friendly marketplace for digital creators to showcase and monetize their work, while also offering tools for developers to build unique applications on top of the platform. MPLX tokens are used for governance and utility within the Metaplex ecosystem.