Downloadable software for use as a non-fungible token (NFT) wallet; downloadable software for managing and verifying non-fungible token (NFT) transactions on a blockchain; downloadable software for generating cryptographic keys for non-fungible tokens (NFTs); downloadable software for managing non-fungible token (NFT) transactions using blockchain technology; downloadable software for accessing, reading, and tracking information in the field of digital assets, namely, non-fungible tokens (NFTs) on a blockchain; downloadable multimedia file containing artwork relating to art and text authenticated by non-fungible tokens (NFTs); downloadable image files containing artwork authenticated by non-fungible tokens (NFTs); downloadable music files authenticated by non-fungible tokens (NFTs); downloadable multimedia files containing audio relating to art authenticated by non-fungible tokens (NFTs); downloadable multimedia files containing video relating to art authenticated by non-fungible tokens (NFTs); downloadable video recordings featuring movie clips authenticated by non-fungible tokens (NFTs); downloadable audio and video recordings featuring movie clips authenticated by non-fungible tokens (NFTs); downloadable multimedia files containing artwork, text, audio, and video relating to art authenticated by non-fungible tokens (NFTs); downloadable digital assets in the field of digital collectables, namely, downloadable digital image files of illustrated and graphic artwork authenticated by non-fungible tokens (NFTs); downloadable digital materials authenticated by non-fungible tokens (NFTs) namely, downloadable digital images files of paintings, downloadable digital image files containing images of stickers with artwork, graphics and text, and downloadable multimedia files containing images of digital collectable illustrated and graphic artwork; downloadable digital collectables, namely art files and branded unique images and digital goods authenticated by non-fungible tokens (NFTs); downloadable digital media, namely, digital assets and digital collectibles in the form of downloadable multimedia files containing artwork, text, audio and video, authenticated by digital tokens in the nature of nonfungible tokens (NFTs); downloadable virtual goods for use in online environments; 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)