Pre-Sale is live and we have 8 days to go before it goes public. Casper Api definitely have Real use case project on the top of blockchain. They resolve the issue of some cloud storage projects and they are here to solve those solution.
Yes that is true don't miss a chance to be part of Casper API now that they are still in their pre-sale if I were you try and invest on this project now because I assure you that it would definitely gives your more profitable earning.