[Class : 42] Computer Programming; Computer Software Design And Development; Computer Software And Technology Consultancy; Design And Development Of Software In The Field Of Mobile Applications; Creating And Maintaining Web (Mobile Web) Sites For Others; Installation Of Computer Software; Maintenance Of Computer Software; Updating Of Computer Software; Cloud Computing; Rental Of Computer Software; Electronic Data Storage; Off Site Data Backup; Software As A Service [Saa S]; Providing Virtual Computer Systems Through Cloud Computing; Crypto Mining; Development Of Video And Computer Games; Information Technology [It] Consultancy; Development Of Computer Platforms; Platform As A Service (Paa S); User Authentication Services Using Single Sign On Technology For Online Software Applications; User Authentication Services Using Blockchain Technology; Writing Of Computer Code; Rental Of Web Servers