The GPTreasure is not exactly a PTC, in fact it is a site that pays you to complete offers, each offer varies in price, but in every offer vc full minimum receives $ 0.30 and can reach up to $ 1.00 !! To help the site has a step by step in Portuguese to help the user to complete the offer.
An optimal advantage is that the site pays you $ 0.10 for each referral who signs up on the site !!! So even the site pays $ 0.10 for every person you refer, and that person do the registration on the site!