Nope. They haven't yet. It was mutual back and forth to float currencies and food markets until just recently. If they default on bonds, we cut off the food. Food security is the only thing remaining that is stopping the greatest blood bath of all time.
A tonne of gold, silver, oil or labour won't buy you a bowl of rice if no one is willing to sell or trade their food.
If you want your silver to pay, sell it and buy fertile land. You can grow silver, gold and all it takes is soil, water and sunshine.
