42 Technical evaluations concerning design (engineers' services); scientific research; technical research; design of computers for third parties; computer development; software design; software development; research and development of new products for third parties; conducting of technical project studies; software installation; software maintenance; updating of software; software rental; programming for computers; computer system analysis; computer system design; consultant services with respect to computer hardware design and development; cloud computing; advice regarding information technology; artificial intelligence advice, advice on the design of websites and mobile applications; creating and designing website-based indexes of information for third parties; development of computer platforms; provision of online non-downloadable software; providing information with respect to computer technology and programming via websites; providing virtual computer systems through cloud computing; research in the field of artificial intelligence; recovery of computer data; computer technology advisory services, communication technology, technological advice on digital transformation; technological research relating to the use of computers, user access behavior and information on use and navigation on computer networks; designing, developing and providing non-downloadable software containing blockchain-based non-fungible tokens (NFTs), virtual products, digital assets, digital articles, digital art objects and digital collectibles intended for use in online virtual worlds; computer platform as a service (PaaS) for data storage, security and representation of non-fungible tokens (NFTs) and blockchain-based collectibles and featuring collectible products, images, audio content, videos and digital art objects intended for use in online virtual worlds; providing non-downloadable software for transaction management using blockchain technology; authentication and certification of blockchain-based non-fungible tokens (NFTs) intended for use in online virtual worlds.