不可替代的令牌 Non-Fungible Token
A non-fungible token (NFT) 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. While the digital files themselves are infinitely reproducible, the NFTs representing them are tracked on their underlying blockchains and provide buyers with proof of ownership. Blockchains such as Ethereum, Bitcoin Cash and Flow each have their own token standards to define their use of NFTs.
NFTs can be used to commodify digital creations, such as digital art, video game items, and music files. Access to any copy of the original file, however, is not restricted to the owner of the token. The first NFTs were Ethereum-based and appeared around 2015.
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