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Re:Ask HN: Building a trust system into a social app by jhp on Friday January 23, 2009 @05:41PM (#447275)
I worked on one of the largest simulated markets on the web and offer the following advice:

- Use basic human motivation to encourage real participation. Points scored and virtual awards work well, but only if you can control system-gaming and inflation.

- Make sure that each account is connected to a confirmed email address or social network account.

- Spend time looking for people who are creating multiple accounts for the purpose of gaming your system (same IPS, repetitive names / passwords). Disable what appear to be the spoof accounts and email the core account about why you did it.

- Have a clearly defined policy for what is acceptable behavior and penalize as much bad behavior as is necessary. Make sure to show the community that there is enforcement.

- Maintain contact with helpful members of the community who can key you in on problematic individuals or exploitable flaws in the scoring system.

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