Providing use of non-downloadable computer file containing artwork relating to illustration of babies authenticated by non-fungible tokens (NFTs); Providing use of non-downloadable computer file containing artwork and text relating to illustrations of babies authenticated by non-fungible tokens (NFTs); Providing use of non-downloadable computer file containing text relating to illustration of babies authenticated by non-fungible tokens (NFTs); Providing use of non-downloadable image files containing illustrations of babies authenticated by non-fungible tokens (NFTs); Providing use of non-downloadable multimedia file containing artwork relating to illustration of babies authenticated by non-fungible tokens (NFTs); Providing use of non-downloadable multimedia file containing artwork and text relating to illustrations of babies authenticated by non-fungible tokens (NFTs); Providing use of non-downloadable multimedia file containing text relating to illustration of babies authenticated by non-fungible tokens (NFTs); Providing use of non-downloadable digital assets created with blockchain-based software technology, in the nature of illustration of babies; Providing use of non-downloadable digital assets created with blockchain-based software technology and smart contracts, in the nature of illustration of babies; Providing use of non-downloadable computer software for creating, managing, storing, accessing, sending, receiving, exchanging, validating and selling digital assets, digital collectibles, digital tokens and non-fungible tokens (NFTs)