1. A method, comprising: by a processor: displaying, in response to a detected configured quick response (QR) code change event in a retail environment, a changed dynamic QR code comprising an encoded new unique value changed from a previously-displayed dynamic QR code and changed based upon a set of contemporaneous data elements associated with an item displayed in the retail environment, where the detected configured QR code change event comprises one of a user on-demand push-button event associated with the item displayed in the retail environment, a time-based dynamic QR code encoding rotation event associated with the previously-displayed dynamic QR code, and a user-based consumer device scan count event associated with the previously-displayed dynamic QR code.