42 Design of computer programs, maintenance and development of computer programs for data processing purposes; computer consulting services in the field of blockchains; server hosting; computer software development; design, development, and implementation of software in the field of blockchains, security tokens, cryptography, virtual currency; research and development of computer software; software development and product development consulting in the field of distributed computing platforms; software development and product development consulting in the field of blockchains; providing temporary use of on-line non-downloadable cloud computing software for use in database management, use in electronic storage of data in the field of blockchains; computer security services, namely, enforcing, restricting and controlling access privileges of users of computing resources for cloud, mobile or network resources based on assigned credentials; technical consulting services in the fields of datacenter architecture, public and private cloud computing solutions, and evaluation and implementation of internet technology and services; updating and maintaining cloud-based computer software through on-line updates, enhancements and patches; design and development of computer software for database management, cloud storage of data, blockchains, security tokens, cryptography software, virtual currency; providing on-line non-downloadable computer software for use as a cryptocurrency wallet; technological consulting in the technology field of cryptocurrency mining; providing temporary use of on-line non-downloadable software for processing electronic payments; implementation, maintenance, rental of computer programs and software; updating and maintenance of computer programs and computer software, in particular programs relating to the development, creation, programming, execution, function, production, disseminating, distribution, application, use, operating, handling, modifying, sale, maintenance, rental, updating, design and outsourcing of blockchain technology services; technical consultancy with regard to the design and development of computer programs and software; web site hosting; data encryption services for providing security and anonymity for electronically transmitted credit card transactions; electronic monitoring of credit card activity to detect fraud via the internet; cloud computing featuring software for use for business operation and general office functions, namely, document authoring, storage, and retrieval, financial integration and business networking functions and for tracking expenses, invoices and travel information; cloud computing featuring software that allows version history tracking of documents, stores key information relating to documents, and allows control of access to documents; cloud computing featuring software for ensuring the security of electronic mail; providing information via the internet pertaining to the maintenance, updating, and design of computer programs and software for general business use; consulting services in the fields of design, selection, creation, development, implementation, and use of computer hardware and software systems for others; research into the design and development of computer programs and software; creation, development and design of computer programs and software for others, in particular for business function areas, namely, accounting and financial controlling, production and materials management, quality management and plant maintenance, marketing, personnel and project management, and general office functions, namely, word processing, electronic mail, and archiving; updating of computer software for others; preparation, development and design of computer programs and software for use in business operations and general office functions; consulting regarding the preparation, design, development use and application of computer programs and software; software as a service (SAAS) services featuring computer software in the fields of business operation management, business networking and general office functions for use in connection with blockchain technology; online payment