How to stake gaimin?

As a keen observer in the cryptocurrency and finance realm, I'm particularly intrigued by the concept of staking, and specifically, how one might stake Gaimin. Could you elaborate on the process? I understand that staking involves locking up coins to earn rewards, but what are the specific steps involved in staking Gaimin? Is there a minimum amount required? What kind of returns can one expect? Furthermore, what are the risks associated with staking Gaimin? Any information you can provide would be greatly appreciated.