Design Look:
https://walletbit.com/pos/walletSomething about orange is throwing me off. Green is the color of money. Orange is like a pumpkin. The buttons could be okay but that giant orange bar at the bottom plays tricks on my eyes.
I like it. Green is the color of the money only in some country: in Europe Euro ranges from blu to yellow, and so is for many other countries; and orange is the bitcoin logo color.
This is a fantastic point.
Perhaps a "where are you located" button may be the right way to go so you can "paint" your website colors appropriate to the psychological affects of money based on the geographical location of the merchant.