1. A method of deleting a digital asset in a data repository that includes an asset list that identifies the digital asset as being stored in the data repository, the method comprising: with at least one processor: receiving from a broadcast network transmission, at the data repository, a broadcast cryptographic hash asset identifier; adding the broadcast cryptographic hash asset identifier to a list of files to be deleted; comparing the broadcast cryptographic hash asset identifier to a generated cryptographic hash asset identifier for the digital asset; and deleting the digital asset from the asset list that identifies the digital asset as being stored in the data repository when the broadcast cryptographic hash asset identifier matches the generated cryptographic hash asset identifier.