Non- Fungible Token (English: Non-Fungible Token , referred to as: NFT ), is a data unit called the blockchain digital ledger , each token can represent a unique digital data , aBack to Dashboards a virtual commodity Electronic certification or certificate of ownership. Due to their non-fungible nature, non-fungible tokens can represent digital assets such as paintings , artworks , sounds , videos , items in games , or other forms of creative work. While the works themselves are infinitely replicable, the tokens that represent them are fully traceable on their underlying blockchain, providing buyers with proof of ownership. [1] [2] [3] Cryptocurrencies such as Ethereum , Bitcoin , etc. have their own token standards to define the use of NFTs [4] .