People over the forum has started trusting the bounties according to the managers who is managing the campaign. They have created the list of trusted mangers and thus think that those projects have higher chances of getting legit one. With that said the mangers name follows as Yahoo, Sylon, ColorlessK, btcltcdigger, Newsilike etc. They bring some of the successful projects and have done this before too. Also, always look forward to those bounty programs which are having huge buzz around the forum, which is in social media talks and thus having enough investors. They could be the grand success.