If you want in on the NFT craze an NFT marketplace is your gateway to participating in the purchase and sale of these digital assets — from art to music to entire virtual worlds. Think of NFT marketplaces as your Amazon of the digital realm.There are dozens of NFT marketplaces in existence and many of them have a specific focus or niche. What should you look for before deciding which one to use and what are the top NFT marketplaces out there? Check this out!.