Hii 
,
I think money is paper money and currency can include all forms like gold bars,silver dollars,etc,. I could be wrong but this is my guess.
,I think money is paper money and currency can include all forms like gold bars,silver dollars,etc,. I could be wrong but this is my guess.
the only difference i can see between USD and bitcoin is that USD is more of physical one while bitcoin is not but at the end, they can both buy goods/items