I have a referral system in my website where I award users for referring people to join my website. I know that IP address can be faked so that can't be used in my use case. Letting the users enter mobile number is to extensive for my system and entering credit card is also very extensive for my system. So is there a service who can track referrers uniquely? Or how can I build one?
Ask HN: How do you prevent people in a referral system from referring itself?
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Re: Ask HN: How do you prevent people in a referral system from referring itself?
#2Depends how tech-savvy are you customers and how big rewards are for referring.
* You could try flash cookies if enough prospectives have flash enabled
* Require a minimum of activity before earning rewards (e.g. 20 posts)