Rental of web servers; Server hosting; Hosting computer sites (web sites); Hosting of databases; Hosting of online calculators; Hosting of software as a service (SaaS); Hosting of weblogs (blogs); Internet portal services (designing or hosting); Web portal services (designing or hosting); Cloud computing; Providing virtual computer systems through cloud computing; Creating and designing web pages for others; Creating and designing web pages for others, including creating virtual communities for registered users to interact and participate in discussions; Creating and designing website-based indexes of information for others (information technology services); Creating and maintaining web sites for others; Creating and maintaining weblogs (blogs) for others; Online provision of web-based applications (non-downloadable); Web site design; Web site design consultancy; Information technology (IT) consultancy; Information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); Computer engineering; Computer engineering consultancy services; Computer security engineering; Computer software engineering; Cryptocurrency engineering; Cryptographic engineering; Design engineering; Engineering; Engineering consultancy; Engineering design; Engineering drawing; Computer network services; Computer security services (testing and risk assessment of computer networks); Development of computer based networks; Network security services (test and risk assessment of electronic networks); Security assessment services for computer networks