Data conversion of electronic information; Data migration services; Design and development of virtual reality software; Electronic data back-up services; Hosting of digital content on the Internet; Platform as a service (PAAS) featuring computer software platforms for use in database management, for use as a spreadsheet, for word processing, etc.; Programming of multimedia applications; User authentication services using blockchain technology for cryptocurrency transactions, online software applications; Video and computer game development services; Web publishing, namely, creating a website and uploading it onto an Internet server