What is KCS in KuCoin?

Could you elaborate on the role and significance of KCS in KuCoin's ecosystem? As a crypto enthusiast, I'm particularly interested in understanding how KCS functions as a utility token and what benefits it provides to KuCoin users. I've heard that it plays a crucial part in the platform's operations, but I'd like to have a more in-depth understanding of its functionality and how it affects the KuCoin community. Additionally, I'm curious about the potential of KCS as an investment and how its value might change over time. Could you provide some insights into these aspects?