42 Authentication of data in the field of metaverse and virtual reality using blockchain technology; Consulting services in the field of providing online, non-downloadable software and applications; Design, development and implementation of software; Providing a web site featuring temporary use of non-downloadable software allowing web site users to upload, post and display online videos for sharing with others for entertainment purposes; Providing online non-downloadable computer networking software; Providing online non-downloadable game software for playing metaverse games; Providing online non-downloadable software for playing games; Software as a service (SAAS) services featuring software for gaming, metaverse and virtual reality; Software design and development; User authentication services using blockchain technology for gaming, metaverse and virtual reality; Website development for others