System and method for enabling transactions over a network using multiple channels

摘要

A method of processing a transaction over a network, the method includes generating a listing associated with a first user and a good or service and conducting a first transaction associated with the listing in response to a selection of a second user. The method also includes conducting a second transaction associated with the listing in response to a selection of a third user and concluding the first transaction in response to the first user confirming an acceptance of the second user. The method further includes canceling the second transaction in response to concluding the first transaction.