Single-Use Codes vs Usage Limits: Which Prevents Systemic Abuse More Effectively?
https://www.slideserve.com/soltostvly/wordpress-hosting-with-built-in-caching-no-plugins-needed-what-agencies-should
Fraud controls often get tacked on after abuse is discovered. That reactive posture is expensive: lost revenue, churn, reputational damage, and time-consuming incident response