What can I do with wstETH?

Could you elaborate on the potential uses and applications of wstETH? I'm curious about its versatility and functionality within the cryptocurrency and finance landscape. Specifically, I'd like to understand if it's primarily used for trading, staking, lending, or other specific purposes. Additionally, are there any unique benefits or advantages that wstETH offers compared to other similar tokens? Your insights and expertise in this area would be greatly appreciated.