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Financial transaction services, namely, providing secure commercial transactions in the nature of authentication of user identification and device attestation services for authorizing financial transactions

Providing user authentication and device attestation backend services using public key cryptographic technology in e-commerce transactions; computer security services, namely, providing a secure binding process between a device and a backend server for authentication of user identification and device attestation; computer security services in the nature of authentication of user identification and device attestation services for authorizing financial transactions