KARRIER ONE INC.

Class 035: Maintaining patient medical records and files using blockchain technology; Maintaining personal medical history records and files; Class 042: Authentication of data in the field of medical records using blockchain technology; Providing temporary use of on-line non-downloadable software for accessing, reading, and tracking information in the field of patient medical records on a blockchain; User authentication services using blockchain technology for medical records

Providing multiple-user access to a global computer information network; Electronic transmission of messages via chat sessions; Providing user authentication services using blockchain-based software technology for cryptocurrency transactions; User authentication services using blockchain technology for fraud protection; Electronic signature verification services using technology to authenticate user identity; User authentication services using technology for e-commerce transactions

Mobile telephone services; Providing multiple-user access to a global computer information network; Provision of access to a global computer network; Telecommunications services for providing multiple-user access to a global computer network; Cryptocurrency trading services; Electronic funds transfer by telecommunications

Class 038: Providing multiple user access to a global computer network; Class 042: Computer network security services, namely, restricting unauthorized access to data via computer networks; Authentication of data in the field of telecommunication, in particular via a decentralized network, using blockchain technology