I have been suspicious about them too, it's far too usual to not reveal any identify of the team members. Free coins are fine, but I will not invest my personal money into it. Such a pity, I had hoped for them to be real.
Well, the best thing is that we should not invest to avoiding the risks, each week WCX always send the information about the mailbox with the invitation to join the investment very attractive. But we don't have much information about the founders and development. 