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

https://www.primary-bookmarks.win/how-single-use-codes-stop-systemic-coupon-abuse-better-than-simple-usage-limits

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