A non-fungible token (NFT) is a unique digital identifier that cannot be copied, substituted, or subdivided, that is recorded in a blockchain, and that is used to certify ownership and authenticity.

A 3-second introduction to NFT that any software engineer can understand - Okapies’ Archive

  • A smart contract that holds information linking a unique token identifier recorded on the blockchain to its holder’s address, as well as a state variable.

  • EIP-721

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