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"Power lies where men believe it resides. It's a trick, a shadow on the wall." - Varys

Currency only works with a network effect, especially if the thing being exchanged has no intrinsic value outside of being a currency. Given that fiat has no intrinsic value, it just satisfies certain properties of money and is used as such.

Technically Power shifts from time to time . where is it moving to ? Crypto currency is a thing of the future . with the way inventions/creations keep springing up am sure the ULTIMATE COIN will soon be create if it hasn't already .

I was more amused by the phraseology than his point.

But I'm not willing to pick a fight over his point. It's valid indeed.

Hell, maybe I am willing to debate. "What it trades for" is another way of saying popular opinion of value. Popular opinion can be extremely manipulated.