Cryptocurrency have a positive impact in our world and there is no doubts about that. With the vast usability of the Blcockain technology, a lot of projects have been developed to address issues troubling our societies today and these projects are backed by cryptocurrency. With the development of many projects, there are jobs created for individuals and this also ensure financial satisfaction and finally enhances the economy in general.
Everything you are saying is true, but I believe that the biggest impact crypto will have is not shown yet. Block-chain will be used in many different areas and will really make a difference.