Is a bidding bot, let me describe you.
Max vote is 500$
If you bid 10$ and user-xxx bid 10$ in the period of 2.4 hours, in the end, you will get 50% upvote and user-xxx will get 50% upvote worth 250$
You can track the current round bids here - https://s3.amazonaws.com/yabapmatt/bottracker/bottracker.html