I have some gummy worms, marbles and a pack of gum to trade.

I would think if you are looking for a more stable asset, a fixed rate CD at 5% will get you there. When banks were paying .01% on deposits, I'd rather have the cards, any appreciation in price was a bonus. Now, not so sure I'd be going all in with any asset class.

I forget whom has said it best

"in times of no money, cards will keep you company. In times of no cards, money makes a lonely stranger."

I think your missing the point. They are worried banks won't exist. A melt down of the economy or a zombie apocalypse. CD's wouldn't be of any use in that scenario.

I'm not addressing the peanut gallery, but the OP who asked about an inflation hedge. You could trade for tin foil