If you read it carefully this is a trading contest but it is more advanced than other contests. Nominex exchange is giving a great competition where participants will lose nothing but their time. trading fee 0 and using demo account to trade and win this is an overbearing contest for good traders.
It seems that Nominex exchange is very smart when it comes to understanding the psychology of the current traders and wants to make it famous through this competition. This is a great marketing strategy and it will probably match up with top exchanges in the future.