Well, you see what happened to KCS shares. It is up to the interpretation if passive income capability helped Kucoin Shares with it's huge appreciation
To achieve passive profit you need to freeze KCS right on the Kucoin modified platform. Any fixed income on any Altcoin has specific requirements, similar to the masternode you need to freeze your Altcoin for a certain period of time before receiving the bonuses. This is an activity related to depositing savings in banks.