Brainbux is a fraud PTC site to cheat its users .when you search through youtube about online money earning app you may see the video with inviting to this site through video makers talkings or discription link if you follow his link to this site you will be cheat definitely because after full registration they will give you a promise that you will be credit some euros when you watch every company ads.but after watching of all ads you never get nothing .its not only my experience but also millions would talk you this same matter when we try to transfer euros to our bank account they will demand us to reffer 10 members.so dears please avoid it.i joined this but I cant earn nothing .