What are the rules that detects the serial upvotes

one time I got a serial upvote reversed but I wonder what is the algorithm that detects this. I know it is related to users upvoting to each others.

But what triggers it, what's the acceptable range of upvotes.

  • That's something that only the SE developers know. So no one can game the system.
    – Seth
    Commented Mar 5, 2014 at 19:45

2 Answers 2


The way the serial voting works on SE sites is documented here:


Not even the NSA knows, you expect us to know?

  • wow, I am shocked
    – kamil
    Commented Mar 5, 2014 at 19:17

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