It’s not a new concept. Most people know that when they go to the casino, they are betting on the outcome of a game.
The problem with this game is that it can be rigged. That is to say, if you bet the same amount on both sides of the casino, so you lose and only win the same amount, you can end up winning more than you lost betting on the same amount of time.
The problem comes when it’s your money on one side and someone else’s on the other. You have to either gamble on one side, or accept the risk of losing your own money in order to get the other side’s bets up. Double down casino partner sites is all about betting on the same amount of time, but with the other side’s money.