To be fair illegal is not the same as immoral. For example, cryptocurrencies can also be used to transfer money out of financial system controlled by oppressiv

To be fair illegal is not the same as immoral. For example, cryptocurrencies can also be used to transfer money out of financial system controlled by oppressive regime which is largely a positive use. The problem is that "oppressive regime" is a matter of opinion and therefore these transfers are indistinguishable from tax evasion and other financial crimes. Techno-libertarians see that as a feature, I think most of the rest of us see that as a bug. There is no economic or technical solution there. It is almost exclusively an issue of personal politics.