No, it's not trustworthy. They are Ponzi HYIP schemes, people who invest on these sites will lose their money or part of it. These sites appear and disappear really fast, when they crash, after sometime they come back with a new name, so it's hard to find someone who invested on this site in particular to tell you his personal experience, so we talk about our experience in general with this
kind of investment.
"Double your Bitcoins just in 72 Hours!"
This is a Hardcore scam scheme, won't last too much time (if it didn't already fail).
