Abstract: A method for supplying a controlled payment number for use on behalf of a tokenized payment account in a digital wallet for e-commerce includes: receiving, by a wallet server, at least a token identifier from an external computing device, the token identifier being associated with a tokenized payment account in the external computing device; transmitting, by the wallet server, at least the token identifier and a request flag to a processing server; identifying, by the processing server, a transaction account number associated with the token identifier, wherein the transaction account number corresponds to the payment account; identifying, by the processing server, a controlled payment number corresponding to the payment account; receiving, by the wallet server, the identified controlled payment number from the processing server; and transmitting, by the wallet server, the identified controlled payment number to the external computing device.

Abstract: A data processing apparatus including communication circuitry configured to receive data indicative of a user and data indicative of an instruction associated with the user, and control circuitry configured to determine whether the received data indicative of the user and data indicative of the instruction associated with the user have been generated in the absence of an explicit command from the user using previously obtained data indicative of the user and data indicative of an instruction associated with the user, to determine whether the received data indicative of the user and data indicative of the instruction associated with the user include a predetermined characteristic, to execute processing to reject the instruction associated with the user as indicated by the received data, and to execute processing to accept the instruction associated with the user as indicated by the received data.