42 Cryptocurrency mining co-location services, namely, providing facilities for the location of computer hardware for cryptocurrency mining with the equipment of others; Software as a service (SAAS) services featuring software for opening and displaying documents, emails, videos, data, and files in the field of work opportunities, business and worker profiles, engagement of freelance and other workers, worker skills assessment and evaluation, collaboration technologies and techniques, billing and payment solutions, and marketing services, and for monitoring, creating and maintaining records of work performed, and for enabling workers to exchange, store and view interpersonal communications and to share and collaborate on files and work products in real time and asynchronously; Software as a service (SAAS) services featuring software for the transmission of email and instant electronic messages between users and with project vendors; Application service provider (ASP) featuring software for use in crypto collectibles, cryptocurrencies and blockchain-based non-fungible assets; Application service provider (ASP), namely, hosting computer software applications of others; Electronic storage of cryptocurrency for others; Providing a website featuring technology that enables users to generate printable cryptocurrency wallets; Providing on-line non-downloadable software for generating cryptographic keys for receiving and spending cryptocurrency; Providing technology information in the field of cryptocurrency; Providing user authentication services using blockchain-based software technology for cryptocurrency transactions; Technological consulting in the field of cryptocurrency; User authentication services using blockchain technology for crypto collectible and cryptocurrencies