Is waoIndia scam?

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Hi i recently join some PTC site, one of them is waoIndia. Wao give $0,1 per click! Very high! They also have certification! Don't know how they can get it! But when i try to google "waoIndia Scam" i found some list and this PTC listed! How about certification? Or that just for covering their scam? Or i am wrong? Someone paid by this site please share your opinion! I'M CONFUSED!