A non-fungible token is a unit of data on a digital ledger called a blockchain, where each NFT can represent a unique digital item, and thus they are not interchangeable. NFTs can represent digital files such as art, audio, videos, items in video games and other forms of creative work. Non-fungible tokens or NFTs are cryptographic assets on the blockchain. with unique identification codes and metadata that distinguish them from each other. Unlike cryptocurrencies, NFTs cannot be traded or exchanged at equivalency.