If cash money gets to be worthless ... what do you redeem the solid gold for ?
You can also redeem your gold for goods (paying an accumulated bill, or depositing ofor a merchant credit). You can also buy a Wal-Mart Gift Card (or will be able to should your scenario come true.
You can also pay the cashier with your gold, and get...
...change (in smaller gold coins, silver, or cash!
Ferfal