[Class : 42] Computer Diagnostic Services, Computer Programming Services, Computer Software Programming Services, Computer Software Consultancy, Computer Technology Consultancy,Computer Training Consultancy, Design, Programming And Maintenance Of Computer Programs Using Blockchain Technology For Use In Data Management, Design Of Computer Software, Computer Firmware, Computer Hardware And Computer Systems, Computer Security Services [Design And Development Of Secure Computer Hardware, Software And Systems], Consultancy Services In The Field Of Design, Selection, Implementation And Use Of Computer Hardware And Software Systems, Design And Development Of Software For Instant Messaging, Hosting Of Digital Content On The Internet, Consulting Services In The Field Of Software As A Service [Saa S], Computer And Computer Software Rental, Rental Of Computer Software, Platform As A Service [Paa S] For The Purpose Of Providing Product Information And Data Exchange Services, Platform As A Service [Paa S] Featuring Software Platforms For The Transmission Of Images, Audiovisual Contents, Video Contents And Messages Included In Class 42