Virtual worlds content operating software; game software for virtual worlds; interfaces software for virtual worlds; virtual reality software; security tokens [encryption devices]; computer software for issuing, trading, selling, managing, and verifying blockchain-based non-fungible tokens; computer software for automatic storage of trading data of blockchain-based non-fungible tokens; computer software for issuing, trading, selling, managing, and verifying digital tokens featuring blockchain-based ownership and license of digital content; software for non-fungible tokens; downloadable image files; downloadable image files authenticated by non-fungible tokens [NFTs]; downloadable image files featuring character images for virtual worlds; recorded data files; recorded data files featuring meta data containing information on digital assets; downloadable digital video recordings; downloadable digital photographs; software relating to avatar; downloadable computer graphics; downloadable graphics for mobile phones; downloadable image files featuring avatars for virtual worlds; downloadable image files featuring virtual merchandise such as clothing, shoes, bags, headgear, eyewear, sports equipment, works of art, paintings, toys, etc. for virtual worlds; downloadable image files featuring virtual cars for virtual worlds; computer software for encryption; software for searching and retrieving information across a computer network; computer software for wireless content delivery; computer software for personal information management; computer software for processing digital images; downloadable e-wallets; downloadable digital files authenticated by non-fungible tokens [NFTs]; data processing software; downloadable virtual goods, namely, computer programs for use online and in online virtual worlds; downloadable virtual goods, namely, virtual cars for use in virtual online and virtual reality environments; downloadable virtual goods, namely, virtual robots for use in virtual online and virtual reality environments;downloadable virtual goods, namely, virtual clothing for use in virtual online and virtual reality environments; downloadable virtual goods, namely, virtual toys for use in virtual online and virtual reality environments; downloadable virtual goods, namely, virtual buildings for use in virtual online and virtual reality environments; downloadable virtual goods, namely, air vehicles for use in virtual online and virtual reality environments