Didn't know your bot allows voting on comments like this, @transisto.
Do you have a blacklist? Think @crystalliu would be a good fit for it. Does not look like they are using your service for it's intended purpose but to rather farm votes. Probably a breach of ToS somewhere in there.
@crystalliu purchased a 78.95% vote from @promobot on this post.
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@crystalliu purchased a 85.69% vote from @promobot on this post.
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@crystalliu purchased a 90.21% vote from @promobot on this post.
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@crystalliu purchased a 89.61% vote from @promobot on this post.
*If you disagree with the reward or content of this post you can purchase a reversal of this vote by using our curation interface http://promovotes.com