They should expand this service to make the USPS some profit, and offer to banks, credit cards, real estate, city/state governments, etc. to combat the rising (maybe perceived, but certainly lots of real) problems with proving someone's real identity and fraud.

The virtual world has opened up new channels for fraud and it seems government is just way behind on this. Almost to the level that some institutional trust is starting to break down (not to be too exaggerated about it though). (see pandemic relief funds)