Currently you can invite friends and get cash as reward.
Kindly Open you Kilimall APP, Go to Account( Bottom right button), then choose Invite Friends.
Please refer to following image especially for highlighted section for more information.
For more rules, kindly click Rule details for more info.
For more about Kilimall Coin, kindly refer to : https://kilimall.freshdesk.com/support/solutions/articles/35000110007-what-is-kilimall-coin-formerly-known-as-cash-rewards-cashrewards-