Currency:

money: a system of money, or the bills and coins themselves, used in a country

acceptance of idea or term: widespread acceptance or use of an idea, theory, word, or phrase

circulation: the transmitting of something, especially money, from person to person
***
The FED then created the "Federal Reserve Note" which is not true currency at all.
***
Federal reserve note not currency

currency IS money, therefore fed reserve note is not money
***
This maritime law now applies to money because of something called a "maritime hypothecation

The law does not apply to money which is currency

Federal reserve note not currency, not money

Law does not apply to federal reserve notes