US Patent 10452819 Digital credential system

A method for issuing digital credentials includes assigning a digital credential to a user account maintained by the digital content delivery system; receiving, from a mobile computing device associated with the user account, a first request for the digital credential; in response to receiving the first request: determining whether a current location of the mobile computing device is within a predetermined geographic distance of the selected exhibitor location, and determining whether a remaining amount of time until a scheduled start time of the selected scheduled presentation is less than a threshold amount of time; and in response to determining that either the current location of the mobile computing device is outside of the predetermined geographic distance of the selected exhibitor location or the remaining amount of time until the scheduled start time of the selected scheduled presentation is greater than the threshold amount of time, denying the first request.