| CPC H04L 63/0892 (2013.01) [H04L 63/10 (2013.01)] | 20 Claims |
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1. A method performed by a coordination server to coordinate data exchange among a plurality of devices, the method comprising:
receiving, from a client server, an indicator associated with authorization of a service;
receiving, from a service server, first verification data and a request, the first verification data associated with performance of the service and the request including a request for payment for performance of the service;
sending, to an exchange server, second verification data, the second verification data based on the first verification data; and
receiving, from the exchange server in response to receipt of the second verification data and the request by the exchange server, a reply.
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