Have anybody heard of witkey? Any suggestion about his kind of site?

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I'm living in Hong Kong and I've heard from the news about a new idea of earning money online: witkey, which means joiner provide their wisdome, as a key to solve different problem. In returen, the one who have their problem solved will pay to the witkey (the one who provide their wisdom) Have anybody heard about this? Anymroe details about this kind of sites? Any suggestion if you have already join one? (Best to be supporting Hong Kong people to join and pay by paypal)