information in the field of energy efficiency; research and development in the field of energy; energy auditing services; energy performance testing of buildings; consultancy in the field of energy efficiency; professional consultancy relating to the conservation of energy; technical consultancy in the field of energy saving; virtual testing of new product designs using computer simulations; computer-simulated model design; engineering drawing; providing non-downloadable computer software for use in modeling; architectural design; design of interior decor; hosting of online calculators; providing information on computer technology; gas meter reading and data analysis for energy auditing purposes; industrial analysis and research; industrial analysis and research services; providing on-line non-downloadable software; software as a service [SaaS]; platform as a service [PaaS]; blockchain-as-a-service [BaaS]; advisory and information services relating to computer software; user authentication services using single sign-on technology for on-line software applications; user authentication services using technology for e-commerce transactions; authentication services for computer security; computer security consultancy; hosting of weblogs; data security consultancy; data security services; computer and internet security consultancy and data encryption services; data encryption and decoding services; authentication, issuance and validation of digital certificates; issuance and validation of digital certificates of ownership authenticated by non-fungible tokens [NFTs]; providing online non-downloadable software for minting non-fungible tokens [NFTs]; AI as a service [AIaaS] featuring software using artificial intelligence to automate and perform software tasks; cloud computing services; cloud computing consultancy; computer programming of software for scanning or reading a QR code via computer networks; computer programming of software for scanning or reading a QR code via mobile devices; computer programming for the analysis of technical data; computer programming services for the analysis of technical data; consultancy relating to computer database programs; IT consultancy, advisory and information services; consultancy in the field of deploying cloud computing environments in the field of infrastructure as a service [IaaS]; consultancy relating to the creation and design of web sites for e-commerce; consultancy services relating to software used in the field of e-commerce; consulting services in the field of office and workplace automation; creating an online community for registered users; data back-up services; electronic data storage; programming of computer software for evaluation and calculation of data; design and development of computer hardware and software; providing information relating to computer software; consultancy relating to the design and development of computer software; consultancy relating to software maintenance; consultancy relating to the updating of software; maintenance of computer software; providing online support services for computer program users