Abstract: A customer mobile personal point-of-sale terminal (CMPPT) includes a Point-Of-Sale (POS) sleeve portion that slidingly engages, and couples to, a cellular telephone. The cellular telephone is used to communicate encrypted information between a financial transaction verification entity (FTVE) and the POS sleeve portion. The sleeve portion includes a mechanism for reading in a merchant account number at the point-of-sale, and for communicating in a secure encrypted fashion with the FTVE via the cellular telephone portion. Rather than a customer entering sensitive financial information into a merchant's POS terminal (MPT) and trusting the merchant with such information, merchant information is entered into the CMPPT. The CMPPT initiates a transaction by sending the customer's account information and the merchant information to the FTVE. The FTVE receives information about the transaction directly from the MPT.

Abstract: A customer mobile personal point-of-sale terminal (CMPPT) includes a Point-Of-Sale (POS) sleeve portion that slidingly engages, and couples to, a cellular telephone. The cellular telephone is used to communicate encrypted information between a financial transaction verification entity (FTVE) and the POS sleeve portion. The sleeve portion includes a mechanism for reading in a merchant account number at the point-of-sale, and for communicating in a secure encrypted fashion with the FTVE via the cellular telephone portion. Rather than a customer entering sensitive financial information into a merchant's POS terminal (MPT) and trusting the merchant with such information, merchant information is entered into the CMPPT. The CMPPT initiates a transaction by sending the customer's account information and the merchant information to the FTVE. The FTVE receives information about the transaction directly from the MPT.