Abstract: In one implementation, a method includes receiving, at a computing device, a digital photo of a paper ticket; generating an electronic ticket as a digital version of the paper ticket; outputting, in a user interface on the computing device, selectable options related to the electronic ticket; receiving, through the user interface, user input comprising selection of the option to sell the ticket; transmitting, by the computing device, a request to the computer system to host the electronic ticket for sale; receiving, at the computing device, a unique URL that is associated with an internet-accessible resource for purchasing the electronic ticket over the internet; outputting, in the user interface, selectable features to distribute the URL to other computing devices; receiving selection of one or more of the selectable features that correspond to one or more particular distribution channels; transmitting at least the URL along the one or more particular distribution channels.