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The war on cash will continue, until we have a cashless society. They will then outlaw non government backed crypto's and then the interest rates will really go negative. With A.i pushing the boundaries with facial recognition and predictive profiling, we better be careful what we say or even think in the near future....

That is a (dystopian!) possibility, but my money is on Crypto, at least in democracies where the people will vote out governments that restrict their freedom. China is already well down the path you outline. But in South Korea the people are already pushing back against Crypto regulation.