Abstract: When purchasing an item or service, a user enters a PIN enter their mobile communication device and send the PIN, e.g., via text message to a payment authority. The payment authority authenticates the user using at least the PIN and the mobile communication device identifier associated with the user's mobile communication device. If the user is authenticated, then the payment authority will send a transaction code back to the user, which will be displayed on the user's mobile communication device. The user can then provide the transaction code to the merchant. The merchant can enter the transaction code into the Merchant's point of sale system and complete the transaction.

Abstract: A system and method of transaction processing is provided and includes a transaction terminal accessing a communications network. The transaction terminal sends first transaction information for a transaction across the communications network to a server. The first transaction information, which may include an account number and a transaction amount, is received and processed at the server communicating with the communications network. At least a portion of the first transaction information is stored and made accessible via the Internet. The server sends second transaction information based on the first transaction information to a transaction processor.

Abstract: When purchasing an item or service, a user enters a PIN enter their mobile communication device and send the PIN, e.g., via text message to a payment authority. The payment authority authenticates the user using at least the PIN and the mobile communication device identifier associated with the user's mobile communication device. If the user is authenticated, then the payment authority will send a transaction code back to the user, which will be displayed on the user's mobile communication device. The user can then provide the transaction code to the merchant. The merchant can enter the transaction code into the Merchant's point of sale system and complete the transaction.

Abstract: When purchasing an item or service, a user enters a PIN enter their mobile communication device and send the PIN, e.g., via text message to a payment authority. The payment authority authenticates the user using at least the PIN and the mobile communication device identifier associated with the user's mobile communication device. If the user is authenticated, then the payment authority will send a transaction code back to the user, which will be displayed on the user's mobile communication device. The user can then provide the transaction code to the merchant. The merchant can enter the transaction code into the Merchant's point of sale system and complete the transaction.