a method and system of facilitating and expediting a transaction between a merchant and a patron of the merchant is provided . in one embodiment of the invention , a patron who has previously registered their loyalty account to receive incentive rewards for completing the transaction and to allow the transfer of funds , utilizing an ach transaction , from their account to the merchant &# 39 ; s account , can use a single personal loyalty device to expedite , pay for and complete the transaction and receive incentive rewards . according to the invention , after receiving the loyalty account number and , optionally authentication information , the merchant transmits that information and , optionally , transaction information , to a rewards transaction server who verifies the transaction , determines incentive rewards , generates an accept code and sends it to the merchant , whereupon the transaction is completed . the rewards transaction server also causes one or more ach transactions to occur to transfer the funds .