Can a DAC start a real economy?

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Barter has this connotation which people generally see it as two way exchange. In fact our modern economy is a form of very sophisticated and complex barter system where time and space is managed via the use of an intermediary medium, which we call money. In these two examples below, the companies work as managing financial intuitions to achieve a functioning economy .

Bartercard https://youtu.be/cGrpOPlbjxI
WIR https://youtu.be/M4ThwS1Xln0?t=33m12s  Why Switzerland has the most stable economy.