It refers to irreplaceable digital data created on the basis of the blockchain. It can take many forms, and a variety of tangible and intangible items have been converted to NFT, including digital art, digital fashion, game items, and more. Unlike conventional digital data, NFT has an asset value, and is actively traded on an Internet platform called the "NFT marketplace," so it is possible to make money by selling NFT. Translated with www.DeepL.com/Translator (free version)