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Imagine there was no currency in the world, and you ran a buisness. If I came into your buisness, and received services, in exchange for a favor. There would be NO guarantee that you'd get a favor, and no proof that I had ever had services. Whereas, with money, I'd give you that before the services, and it's guaranteed that you could get services for the money at pther buisnesses. It's just a matter of value on Earth.

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13y ago

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