Building Secure Open Referral Systems: Harnessing HashMaps for Effective Fraud Prevention

Word-of-mouth promotion is a powerful strategy in customer acquisition and retention. Referral systems are key in this context, divided into "Open" and "Closed" types. Closed systems involve a controlled process where leads are verified before incentives are given. Open systems allow easier access but risk misuse. Engineering-wise, preventing gaming requires encoding, serialization, and data structures like hash maps. Incentive tokens are generated for each click, reducing chances of manipulation. Frontend involvement includes token storage and inclusion in requests. Additional backend …

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