just want to everyone know about this. check your traffic uniqueness (especially EU geos) using tracker. Ad network just provided me non-unique traffic. 45-55% uniqueness ($400 spent). They’re said that reason is too much campaigns and traffic overlapping (but I had different targeting on my campaigns, about several campaigns per 1 targeting to test different creatives), and then I stop 95% of my campaigns and leave just 2 ad camp per 1 geo — uniqueness still was low, about 65-70%.
These guys just provides ❗️FRAUD❗️ traffic. From 30 to 50% non-unique traffic. Keep your money safe guys and never help them to earn.