The best earners are those who build something in cryptocurrencies- developers. Because the field is relatively new, and there is a dearth of professional blockchain developers. The demand is even going to be as the space develops
Yes, if the cryptocurrency developer builds new things and bright new ideas, it is clear that there will be many benefits if he gets a lot of interest in the products he develops, but if the developer only makes old ideas that are repeated or things that has never existed before, then he will not get anything in cryptocurrency.