Все буден на сайте, но для вас специально инсайд)

You can invite your friends to participate in smart lottery. They will have a chance to win Ethereum coins. If you want to get cashback, you should draw people into this game. If your friend win the lottery, you will get 1% of his or her prize. Then you can advise your friend to invite his friend.

The cashback system is very profitable. For example, each of your 100 friends will win 1 ETH. Total winnings is 100 ETH. Your cashback in this situation is 1 ETH (>100$).

Но по условиям точно будет объявленно на сайте!