Service activation by virtual prepaid card
Service and method for providing a single point of access...
Service and method for providing a single point of access...
Shielding manipulations of secret data
Short message service (SMS) e-commerce
Signature based negative list for off line payment device...
Smart card mechanism and method for obtaining electronic...
Smartcard internet authorization system
Smartcard internet authorization system
Staged transactions systems and methods
Stateless shopping cart for the web
Stored value cards and methods for their issuance
Symmetrically-secured electronic communication system
System and method for annuity valuation
System and method for assigning a funding source for a radio...
System and method for biometrically-initiated refund...
System and method for buying goods and billing agency using...
System and method for categorizing transactions
System and method for categorizing transactions
System and method for conducting secure payment transactions