We can't deny that sooner or later government will really interfere in crypto as many see it's importance as Investment and payment option. We should be ready and not expect too much that when we're crypto we're free not to pay tax. The only way crypto will not be ban or fully have adoption without worry of objecting the law is too put taxes like Japan since the government needs to find ways to earn in any means.
Everyone should pay taxes, including those who work in the cryptocurrency market. If there is income, tax must be paid. And the easiest solution to this issue may be to buy a special patent for those who trade cryptocurrency. This should be a fixed amount, because it is very difficult to calculate and check the trader's income.