There some people who serial upvote with a fake account in order to gain reputation. But I am wondering if some people spread out their votes and vote on some other questions and answers like they are doing it legit in order to cheat. More importantly, is it possible to cheat this way?
For example, maybe a user uses a fake account and upvotes only $2$ or even $1$ of his posts per day, and spends a good amount of votes on other questions / answers. Does the serial upvoting script detect this? If not, how could a moderator detect this kind of behaviour?