How does Beefy work?

Could you please elaborate on the functionality and workings of Beefy? Specifically, how does it operate to provide users with the services it offers? I'm particularly interested in understanding the processes involved, including any unique features or advantages that Beefy has over other similar platforms in the cryptocurrency and finance space. Additionally, I'd like to know if there are any prerequisites or steps that users need to take in order to start using Beefy effectively.