When you bring a new user to the site, you will begin to receive interest from his deposits. After the first replenishment of the user you referred, you get 10% of the credits from the amount of which he buys. After the second replenishment 20%. After the third 30%. The promotion applies to absolutely all users whom you bring to the site. Credits are automatically credited to you at the same second when the user has made a successful purchase of credits.