NFT marketplaces are online platforms that allow users to buy, sell, or trade digital assets in the form of non-fungible tokens (NFTs). These marketplaces typically use blockchain technology to ensure the security and authenticity of the NFTs being traded. NFT marketplaces offer a wide variety of digital assets, including but not limited to: art, music, video games, virtual worlds, and more. Many of these marketplaces also allow users to buy or sell physical goods (such as collectibles) using NFTs.