42 Technological research in the field of computer games; quality control of goods and service; providing online geographic maps, not downloadable; material testing; packaging design; design of show scenery; dress designing; computer software design; development of video and computer games; maintenance and updating of computer software; user authentication services using single sign-on technology for online software applications; user authentication services using blockchain technology for online software applications; image processing software design; software as a service (saas) services featuring software for creating, downloading, uploading, designing, modifying, reproducing, transmitting, discovering and sharing images, graphics, fonts, photographs, text, videos and data; authenticating works of art; graphic arts design