Abstract: A method and device for learning by a computer, and a non-transitory computer readable storage medium, relating to the technical field of computers. The method includes: transforming data to be processed into a vector to be processed (110); determining a corresponding target processing node (120); and processing said vector (130).

Abstract: The present disclosure provides a multi-option system and method for payment of selected item from a merchant. A purchaser selects a payment option through an electronic device. A payment message indicating the selected payment option and the purchaser's account information associated with the selected payment option is sent to a payment portal. The payment portal selects a suitable participating entity based on the selected payment option and sends the purchaser's account information to the selected participating entity. The participating entity authenticates the purchaser's account and generates an instruction message based on the result of the authentication. The portal receives the instruction message and sends the same to a server of the merchant.

Abstract: The present disclosure provides a system and method for conducting multi-factor and multi-channel ID authentication and transaction control. The authentication and transaction control may be conducted between a device and servers of the service providers only, without involvement of a third party. A server of the device assists personalizing, binding, unbinding and rebinding of the device with respect to the servers of the service providers.

Abstract: The present invention provides a handheld electronic authenticator and its service system that provide multiple dynamic authentication codes for authenticating with multiple service providers. The authenticator provides multiple dynamic authentication codes (e.g., including electronic signatures) for the multiple service providers, using an algorithm, secret key and dynamic variables chosen and maintained by the service provider.