What high-end equipment do you possess that can tell you the difference between gold and gold-plated tungsten, or a silver-coated non-feric slug coin?
That's a physical "hack", and there are stories out there. (My favorite is the Chinese bank that discovered that its entire bullion inventory was tungsten.)
What high-end equipment do you possess that can tell you the difference between gold and gold-plated tungsten, or a silver-coated non-feric slug coin?
That's a physical "hack", and there are stories out there. (My favorite is the Chinese bank that discovered that its entire bullion inventory was tungsten.)