"Not sure that "Why don't we know where the currency is?" is a question you can answer with a straight "yes/no"."

Yes a person can. You have to find out the difference between De jure and De facto. The difference between legislation and law. This means a body needs to find out this for themselves. Calling up your local enforcement agency and asking isn't going to work. For one they don't know and if they did know they wouldn't tell you.

The following link is a treasure trove of lawful and legal information. You could save your self a lot of time by taking there free civics course, but really reading this stuff on your own without anyone telling you what to think would do. There Sheriffs hand book might do it for you all by itself. Join and than click on the "Free Courses" tab if your interested.

https://www.nationallibertyalliance.org/books-pdf