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The emergence of non-fungible tokens (NFTs) on the market marked a new milestone in the digital world. Based on blockchain, NFTs have become a unique form of asset that has attracted interest of large investors, corporate executives, collectors, and those who like to own exclusive things. The first NFT game, CryptoKitties, aroused excitement in the gaming world. By 2022, hundreds of such games had appeared on the the market. NFT-protected virtual identities will be able to use tokens as digital passports.