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Nonetheless, do you think that government-issued cryptocurrencies are the future? Or will it be just an idea that will pass away over time?

I am sure that the coins created by governments and banks will not pursue the same values that were laid down by the founders of the first coins.
It is unlikely that they will want to give us all freedom and equality, they will try to drive us under the hood like now with banks. Therefore, I do not expect good from bank and government coins.