But the value of gold still relies on a majority of apocalypse survivor’s collectively deciding that gold has value. We could just, not.
Or why not bottle caps, shells, cool looking rocks, dry salt, sugar, nutmeg, pickles, …
Cooper would hold more value than gold, as a metal that can be worked and given practical application with even primitive metallurgy skills. Or silver, with it’s antimicrobial properties would still be more valuable than gold.
Unless we’re all surviving the apocalypse and still trying to make chips for iPhones, what good is gold?