You get a percentage from the combined income of each user you’ve referred.

Your commission can be 25% of the total profit of the referred user.

Your commission is calculated next day following the day you referred a user. Don’t worry, nothing will be lost or forgotten, you get paid full commission every day for activity conducted on the previous day. The money will be transferred to your in-game balance. You can choose to withdraw it or spend on mining equipment and other boosts in the store to get more mining rewards.