Any exchange worthy of handling your assets is already gathering and verifying all of this data ...
Of course.
The US probably does not want Delaware, Montana, South Dakota, Wyoming, New York, etc. to have any sort of competition in the already crowded* Hide Your Money from the Taxman game.
O.
* Bermuda, Cayman Islands, Netherlands, Switzerland, Singapore, Ireland, Luxemburg, Curaçao, Hong Kong, Cyprus, Bahamas, Jersey, Barbados, Mauritius, British Virgin Islands and a few other lesser actors.