humanmade / humanmade/comment-popularity
Not allowing negative comment weights results in double-spending problem
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- Dominant language
- PHP
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- 26
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Description
If we don't allow negative comment weights (at least internally - not necessarily for user interface), we run into the following possible situation:
* comment A has weight zero.
* user downvotes A. A still has weight zero, but a downvote is registered per user*comment
* user undoes downvote. A has weight 1.
* user upvotes A. A has weight 2.
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Assessment
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