Downloadable virtual goods, namely digital cosmetics, watches, cellular telephone accessories, printed matter and paper goods namely, stationery, writing paper, notebooks, memo pads, diaries, note cards and gift wrapping paper, clothing, headwear and headgear, footwear, eyewear, bags, articles of jewellery, the aforesaid goods authenticated by non-fungible tokens (NFTs) and for use in video games and/or online virtual worlds; Downloadable virtual goods, namely toys, games, playthings, collector cards, playing cards, card games, virtual trading cards, food and beverage items, works of art and images, the aforesaid goods authenticated by non-fungible tokens (NFTs) and for use in video games and/or online virtual worlds; downloadable virtual goods, namely, video game virtual assets, namely avatars, virtual weapons, avatar enhancements, namely, clothing and appearance enhancements, virtual vehicles and vehicle enhancements, virtual buildings, virtual real estate, virtual money, the aforesaid goods authenticated by non-fungible tokens (NFTs) and for use in video games and/or online virtual worlds; downloadable computer software, namely, downloadable computer software relating to virtual goods, digital assets, digital items, digital art and digital collectibles for use in video games and/or online virtual worlds; computer software and electronic programs featuring blockchain-based non-fungible tokens (nfts) for use in video games and/or online virtual worlds; downloadable computer software relating to virtual goods, namely clothing, headwear, footwear, eyewear, bags, jewelry, toys, games, playthings, collector cards, playing cards, card games, virtual trading cards, works of art and images for use in video games and/or online virtual worlds; downloadable computer software relating to virtual goods, namely, video game virtual assets, namely avatars, virtual weapons, avatar enhancements, namely, clothing and appearance enhancements, virtual vehicles and vehicle enhancements, virtual buildings and virtual real estate, virtual money, for use in video games and/or online virtual worlds; downloadable computer software and electronic programs featuring blockchainbased non-fungible tokens (nfts) for use in video games and/or online virtual worlds; downloadable computer software and electronic programs for the creation and the provision of blockchain-based non-fungible tokens (nfts) for use in video games and/or online virtual worlds; downloadable computer software and electronic programs for the certification of blockchain-based nonfungible tokens (nfts) for use in video games and/or online virtual worlds