How 3B+ Delivered Coupons Rewrote the Rules for Preventing Coupon Abuse Without Blocking Real Customers

https://wiki-legion.win/index.php/How_Mid-Market_Retailers_Fix_Coupon_Chaos_with_MACH:_A_7-Part_Technical_Playbook

CodeBroker's claim of 3 billion-plus coupons delivered is more than a headline - it highlights the scale problem every commerce team faces: when you issue discounts at massive scale, fraud behavior adapts quickly