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It may be cheaper and safer to pay with QR backed by metals

Who will be in Charge of these QR Codes...???

I imagine that the federal government, if we want a decentralized currency, there is bitcoin.

Bitcoin is not stable... Our U.S. Electronic Coinage, backed by Silver and Gold "Coins" will be Stable...

If it was in gold, I imagine its value would be constantly rising

That doesn't sound very stable to me...

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