Fraudulent high score submissions can undermine the integrity of competitive gaming and leaderboard systems. To combat this, developers and platform administrators should implement robust strategies.

1. Multi-Layer Verification: Use automated tools and manual reviews to verify high scores. Algorithms can detect anomalies, while human moderators can investigate suspicious cases.

2. Behavioral Analysis: Track player behavior patterns, such as input speed or unusual gameplay sequences, to identify potential cheating.

3. Secure APIs: Ensure APIs used for score submissions are encrypted and require authentication to prevent tampering or bot attacks.

4. Rate Limiting: Restrict the number of score submissions within a time frame to deter spam or automated cheating tools.

5. Community Reporting: Allow players to report suspicious scores, fostering a community-driven approach to maintaining fairness.

By combining these methods, platforms can significantly reduce fraudulent submissions and promote a fair gaming environment.