“Which is kind of fascinating, because the way bitcoin works, you can’t stop someone from sending funds to you,” said David Ripley, chief executive of Glidera, a bitcoin marketplace and digital wallet service. “And you can’t always identify them.”
Made by people who just didn't get it...
And an example of why these proposed regulations are unconstitutional for another reason, that is, fundamental due process. They'd make you a lawbreaker for something over which you had no control.
Imagine a law where you'd be guilty for having cash where you had no idea what it's origin was. Someone would make you a criminal by dropping a penny on your lawn.