A system and method for conducting a financial transaction is disclosed. The system includes a first memory location embedded in a personal portable device. The first memory location stores a plurality of personal financial data files associated with a user. The system also includes a second memory location to store biometric information and a first input interface to receive authentication information after initiation of a purchase transaction session. The system also includes a security module including an input coupled to the first interface to authenticate the authentication information based on the biometric information and an output interface comprising an input coupled to the first memory location and an output to provide personal financial data file information to a host device.