I'm still learning, but it's my understanding that you get rewarded for up voting "good" posts, ones that eventually make it to the front page/trending. Not sure if you are punished for spam voting, but it would make sense to have that type of check in place.
It is explained in the Steem Whitepaper
Starting on page 5:
I'm still learning, but it's my understanding that you get rewarded for up voting "good" posts, ones that eventually make it to the front page/trending. Not sure if you are punished for spam voting, but it would make sense to have that type of check in place.
I haven't come across such a check in my search for an answer yet.