I think that this - of course - within the remit of The Chinese government. And should they object to it, being a large and powerful state, they have a large

I think that this - of course - within the remit of The Chinese government. And should they object to it, being a large and powerful state, they have a large number of ways to curb it, starting with, but not limited to: Insisting on international treaties that act against the flows of dark money over borders in any direction (at which point, yes, other countries are obliged to object). Then moving on to acting directly and legally against Chinese citizens who do things that their state does not allow. Also, I am told that a lot of bitcoin "mining" occurs within the borders of China. other countries are already moving to do this kind of thing with cryptocurrency: https://www.reuters.com/article/uk-india-cryptocurrency-ban-idUSKBN2B60QP https://www.reuters.com/article/uk-india-cryptocurrency-ban-...