| 主权项 |
1. A payment system comprising:
an item provider server, an action file server for providing an action file having an associated accepted action, and an exchanging server in communication with the item provider and the action file provider, wherein: the exchanging server comprises a communication device for communicating with a user device having a user interface and input device, the exchanging server is configured to provide the action file in response to a request from the user device, the user device is configured to receive the action file from the server the user device is configured to present the action file via the user interface, the user device is configured to receive input from a user via the input device in response to presenting the action file, the user device is configured to transmit to the exchanging server a response based on the received input, and the item provider server is configured to provide an acceptance signal in response to input from the server based on the input from the user received from the user device. |
