Different exchanges are now engaged into so called "staking" or "soft staking" for the others.
As we all know soft staking is an idea of removing the minimum lock up period and permit access to your coins at any time while still paying out rewards.
But don't get confused staking and soft staking we're sort of different but they both earning rewards.
If you want to educate yourselves from it try out this article: https://medium.com/@contrastcrypto/the-pros-cons-of-kucoins-soft-staking-service-ea834f97875f
