主权项 |
1. A method comprising:
receiving, at a primary server computer via a first communication channel, first information for a transaction, the transaction involving a website and a first user device; receiving, at the primary server computer via a second communication channel, data representing a value token, the data comprising second information for the transaction, the second communication channel involving a second user device and being different than the first communication channel; analyzing, by the primary server computer, the data representing the value token to obtain the second information; correlating, by the primary server computer, the first information and the second information to the transaction; determining, by the primary server computer, that the first information and the second information match; and validating, by the primary server computer, the transaction in response to the determination that the first information and the second information match. |