If only those projects come to reality and not just ended up in papers, we will have a better use of crypto in our everyday life. The common problem in most blockchain projects is that even if they have noble use case, actual implementation is hard. If the team is not hard working enough, they won't get active users to use their platform, which will end up abandoning the platform. Remember those projects exploring in science, logistics, name it, where are they now? Implementation is a challenge for them as well as the funds needed to move forward with their developments.