Is there any plugin can assign "Score" when user post?

[heiguo]

Is there any plugin can assign "Score" when user post? it more like a reward system, when user submit a post with questions that he/she usually will also assign a "Score" to the post, so, any one who answered the question will gain the "Score". any Plugin or configuration can do that?

[Jenkler]

Why do you need to assign a score. The builtin system has one score per / post and user.

[PitaJ]

@Jenkler it's like the bounty system on StackExchange sites.

[satishbh]

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