Answer: A Non-Fungible Token (NFT) marketplace is an online platform where individuals can buy, sell, and trade digital assets. NFTs are unique digital assets that are not interchangeable and are not divisible. Popular NFT marketplaces include Objkt.com, Teia.art, and FxHash.xyz. Objkt.com is a marketplace for digital art, collectibles, and gaming assets. It offers a wide range of digital products from various creators, as well as an auction system. Teia.art is a platform that specializes in generative art. It allows users to create, collect, and trade digital artworks. FxHash.xyz is a platform that focuses on generative art and allows users to create, collect, and trade digital artworks. It also offers a marketplace for NFTs, where users can buy, sell, and trade digital assets. All of these platforms provide a secure and reliable way to trade digital assets, allowing users to safely and securely buy, sell, and trade NFTs.