Authentication of data in the field of website, video games using blockchain technology; Computer programming consultancy; Computer programming services, namely, content creation for virtual worlds and three dimensional platforms; Design and development of computer game software; Designing and developing computer game software and video game software for use with computers, video game program systems and computer networks; Development of computer hardware for computer games; Electronic storage of cryptocurrency for others; Providing a website featuring technology that enables users to generate printable cryptocurrency wallets; Providing information relating to computer programming via a website; Providing information relating to computer technology and programming via a website; Providing information relating to computer technology via a website; Providing on-line non-downloadable computer software for use as a cryptocurrency wallet; Providing on-line non-downloadable software for generating cryptographic keys for receiving and spending cryptocurrency; Providing technology information in the field of cryptocurrency; Providing technology information in the field of cryptocurrency, webpage making, game development, blockchain integration, basic and smart NFT minting, 3d printing; Providing temporary use of non-downloadable web-based decentralized applications (DApps) for cryptocurrency trading, cloud storage of data, web browsing; Providing temporary use of on-line non-downloadable software for accessing, reading, and tracking information in the field of websites, videogames on a blockchain; Providing user authentication services using blockchain-based software technology for cryptocurrency transactions; Technological consulting in the field of cryptocurrency; Video game development services; Video game programming development services; Web site design; Programming virtual non-fungible tokens for use in online virtual worlds