Abstract: Method for managing payment transactions associated with a task completion includes receiving a service assignment and a digital coin value associated with the service assignment over a network from a first computing device associated with a first user, and sending the service assignment over the network for display on a second computing device associated with a second user. The method also includes receiving notification from the second user that the assigned service has been completed, and transferring digital coins equal to the digital coin value of the service assignment from a first digital wallet associated with the first user to a second digital wallet associated with the second user. The method further includes recording the transfer of the one or more digital coins in the digital coin ledger, and applying the one or more digital coins in the second digital wallet to acquire a purchase item.