9 Downloadable virtual goods, namely, computer programs featuring stationery, drawing materials, drawing instruments, writing materials, writing instruments, pens, crayons, pencils, felt pens, erasers, rulers, artists' materials, notebooks, cases for stationery, leather cases, posters, artworks for use online and in online virtual worlds; downloadable virtual goods, namely, image files featuring virtual stationery, drawing materials, drawing instruments, writing materials, writing instruments, pens, crayons, pencils, felt pens, erasers, rulers, artists' materials, notebooks, cases for stationery, leather cases, posters, artworks for use online and in online virtual worlds; downloadable digital video, audio, image, three-dimensional images and document files featuring stationery products, music, paintings, avatars authenticated by non-fungible tokens; downloadable digital image files authenticated by non-fungible tokens, namely, virtual stationery, drawing materials, drawing instruments, writing materials, writing instruments, pens, crayons, pencils, felt pens, erasers, rulers, artists' materials, notebooks, cases for stationery, leather cases, posters, artworks for use online and in online virtual worlds; downloadable computer software for the production, automated and nonautomated creation, and automated and non-automated modification of interactive media in the nature of video clips, photography, music, data, visual effects, digital multimedia files, digital collectibles, and crypto-collectibles featuring and linked to digital and physical stationery, drawing materials, drawing instruments, writing materials, writing instruments, pens, crayons, pencils, felt pens, erasers, rulers, artists' materials, notebooks, cases for stationery, leather cases, posters, artworks, digital animated and non-animated designs and characters, avatars, digital overlays, character skins, art, toys and trading cards authenticated by non-fungible tokens on a blockchain network for access to and use in digital offline and online environments, virtual reality online environments, and extended reality virtual environments; downloadable computer programs for electronically trading, storing, sending, receiving, accepting and transmitting of interactive media in the nature of video clips, photography, music, data, visual effects, digital multimedia files, digital collectibles, and crypto-collectibles featuring and linked to digital and physical stationery, drawing materials, drawing instruments, writing materials, writing instruments, pens, crayons, pencils, felt pens, erasers, rulers, artists' materials, notebooks, cases for stationery, leather cases, posters, artworks, digital animated and non-animated designs and characters, avatars, digital overlays, character skins, art, toys and trading cards authenticated by non-fungible tokens on a blockchain network for access to and use in digital offline and online environments, virtual reality online environments, and extended reality virtual environments; downloadable computer software for managing cryptocurrency transactions using blockchain technology; downloadable software for generating cryptographic keys for receiving and spending cryptocurrency; downloadable software for generating cryptographic keys for receiving and spending crypto assets in the nature of cryptocurrency; downloadable mobile software applications for authentication of digital and physical products using blockchain-based software technology; downloadable mobile software applications for the purpose of product and document authentication and tracking, and brand monitoring and protection, to protect against counterfeiting, tampering, and diversion, and to ensure the integrity of genuine products and documents