Methods and systems for conducting payment transactions
a payment transaction and method technology, applied in the field of methods and systems for conducting payment transactions, can solve the problems of affecting commerce at retail establishments, requiring shoppers to spend an undesirable amount of time, and causing significant costs for retail establishments to purchase, maintain, and operate such terminals
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[0014]FIG. 1 is an expanded block diagram of an exemplary embodiment of a system architecture of a Payment Transaction Computer (PTC) System 10 for conducting network-based electronic payment transactions in a retail establishment with a portable communications device. More specifically, the PTC system 10 includes a Merchant Server (MS) System 12, a Service Provider Computer (SPC) System 14, a Biometric Authentication Computer (BAC) System 16 and a portable communications device 18. The MS system 12, the SPC system 14, and the BAC system 16 each include components such as, but not limited to, a web server, a database server, an application server, a directory server and a disk storage unit. The disk storage unit may be used to store any kind of data. The BAC system 16 may also include a database management server and an authentication server. The database management server may be used to facilitate transferring data to and from the disk storage device. The authentication server is c...
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