Why use platinum? Just make it out of wood. Spray paint it gold, silver, or even mauve. It would be comforting to know that a good chunk of those paper bills in your wallet or purse are backed up by that.
A $1,000,000,000,000.00 coin made of platinum would be plenty big!
==8-O
Right; unless there is $1 trillion worth of platinum in it, why bother?
We are devolving into Thirdworldism as our currency depreciates more quickly; we will be like India, where any unspent income is invested in gold just to attempt to hold its value. Eventually we’ll be Weimar Germany, where we’ll be paid twice per day (so you can shop at lunchtime before those wages lose value in the coming hours) and menu prices change as you eat in restaurants...