Understanding the vast world of online advertising requires a complete grasp of various cost systems. CPI (Cost Per Install), CPL (Cost Per Lead), CPM (Cost Per Mille/Thousand Impressions), and CPV (Cost Per View) each represent a unique method to pay ad publishers. CPI is best for app marketing ,

The pervasive nature of ad fraud poses a significant challenge to the digital advertising industry. This comparative analysis investigates the diverse methods employed by fraudsters and unveils their consequences on advertisers, publishers, and consumers. By evaluating various illegitimate practices