A method, system or computer usable program product for secure short range protocol based transaction processing including using a mobile device capable of short range protocol communication to receive a user password; exchanging transaction data between the mobile device and a point of transaction device through a short range protocol communication, the transaction data including a timestamp; using the mobile device, generating a hash including the user password and the timestamp as inputs; providing the hash and the timestamp to an authorization agent; and receiving an authorization from the authorization agent for an account transaction with the point of transaction device based on the password in the hash.