Why should it be a failed system? Maybe its not 100% perfect but in the current developement situation of cryptocurrencies it is the best system possible. Maybe there will be some new innovations in the roadmaps once they are released.

I think I'll go with Selfkey for this time. TheKey is also promising but the cap for crowd sale is hilariously low with 10.000 Neo while max cap for each person is 10 NEO....telegram group has 25k members btw