I should say that is 10 dollars worth of BTC (bitcoin). The unit of account is dollars and the unit of exchange, what is actually trading hands, is bitcoin. You see it says "Reference only".

Oh, you can also use LTC (litecoin).

I believe the bankers don't like BTC and LTC because they bypass banks and the bankers Federal Reserve system of control. However...

Bitcoin (BTC) should usurp current global payment systems within the decade, a new report from DataLight concluded on April 2.

In a report on transactions on the Bitcoin network versus those with Visa, MasterCard and PayPal, the company made the prediction that if Bitcoin’s current rate of network growth continues, it will beat out competition from market incumbents.
https://cointelegraph.com/news/resea...em-in-10-years