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> I do not even how you can call paper dollar a currency. You cannot use something as a currency if [...]

Currency is based entirely on concensus. Anything (ivory, sheep, even bits of paper) could be currency; the only requirement is that there are people willing to use it as a basis for trade. In other words, it doesn't really matter if you don't believe in paper currency as long as everyone else does.

Well, currency is based on consensus, certainly, but that is not enough to create value. A paper has not value intrinsically speaking. Gold and other metals have always had value for various reasons (either because of their physical/chemical properties or because of their rarity). So, the day the Dollar loses its consensus, you are left with worthless paper and you might as well use them in the toilet. The day Gold, Silver and other lose all actual value is not in sight. Net, you are safer saving some of your assets in those.

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