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just like in any socialism, i.e. anti-economy. zero-sum ... if inflationary it always moves within - bottom to top until the top is tall and heavy over thin weak base.
'' Here lies a toppled god.
His fall was not a small one.
We did but build his pedestal,
A narrow and a tall one.''
-- Frank Herbert, Dune Messiah :P
Like self-canibalization. Btw the great pseudonimous author of this great material ( https://www.scribd.com/document/354688866/Bitcoin-A-5-8-Million-Valuation-Crypto-Currency-and-A-New-Era-of-Human-Cooperation ), also pays attention (towards the end) to similar self-destructive effects in a fiat, inflationary currency system.
In order a currency system to be good its currents must suck in wealth from the without and to grow organically, not just to move mass from the bottom to the top and to destabilize the boat ...