But I am really disappointed because of skepticism around the project, especially the words of member of high ranks regarding their experience 
You should never be disappointed by skepticism my friend, but beware complacency and assumption at all times.
Our experience of arbitrage schemes in Bitcoin?
The perfect 10/10, I think. Scams, that is.
Anyway, yeah quite a few words from some of us, back to basics.
from the other thread
please let us know the UK company name of your employer.
Yeah, like who are Arbitao?
A supposedly London based 'entity', asking for $$zillions$$, which has no company registration, no address, no legal existence in any shape or form that they can/will provide. Even in ICOland, that's ridiculous.