Exactly how voting works anywhere: you vote for what you think is the best, in your opinion. So what's the difference lol..

Not really. For example Bidbots upvote the entries of the people who paid for it. So not the best.

Bidbots are only one piece of the puzzle

The money is yours. You have a stake in the system that gives you the right to distribute according to your stake. Who's money is it if it's not yours. And what the heck are you talking about knowing or not the other person, you think that is relevant at all, wtf.

The money you give (for example) me isn't yours. You don't lost anything. Milton Friedman create a good chart about it