Transaction processing system and method

摘要

Disclosed is a transaction system (22). The transaction system (22) comprises a transaction system processing means which is configured to obtain mobile communications device (28) access information associated with the mobile communications device (28) identification information, and to transmit to the mobile communications device (28) a transaction verification request message including transaction amount information and a request for user verification information, on receipt from a merchant system (400) of an initial transaction authorisation request message including transaction amount information and mobile communications device (28) identification information. The transaction system processing means is also configured to transmit to a storage system the first transaction authorisation request message including the transaction amount information, the mobile communications device (28) identification information and the user verification information, in response to receipt from the mobile communications device (28) of transaction verification response message user verification information.