A lot of altcoins are already dead without showing it, Dash is one of them. These projects didn't really bring anything that was both innovative and useful to the cryptocurrency world. So all they had was pump and dumps. I'd say Dash had some innovative ideas but at the end of the day it didn't really have any useful utility to keep it alive. So what it experienced over the past years was some pumpers pumping it for a little while before it gets dumped again and is forgotten until the next pump, each of which are getting smaller...