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December 5, 2024
10 min read

Building Fair Contests: Anti-Fraud Best Practices

D
David ParkEngineering Lead

Running contests that are transparent, fraud-resistant, and legally compliant is crucial for building long-term trust with your audience. This guide covers the essential best practices.

Understanding Fraud Risks

Contest fraud comes in many forms: multi-accounting, bot submissions, collusion, and timing exploits. Understanding these risks is the first step to preventing them.

Technical Safeguards

Implement rate limiting, device fingerprinting, and behavioral analysis to detect suspicious activity. Use CAPTCHA strategically without hurting user experience for legitimate participants.

Transparency Measures

Publish clear rules, provide audit trails, and consider using verifiable random selection methods. When users trust the process, they engage more enthusiastically.

Legal Compliance

Contest laws vary by jurisdiction. Always consult legal counsel, especially for international campaigns. Document everything and be prepared to defend your selection process if challenged.

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