They have very strict monetary policies and do not compromise on the value and importance of their currency. But it is flourishing in other countries.
I think that is also the reason why they strictly prohibited to use cryptocurrency in China as trading there because they think that is gambling because of the risk that possibly happens. No doubt that they consider as illegal gambling like a lottery, betting, and those cards games. But yes in Macau have a gambling casino that people usually go there to gamble.