What is Mina used for?

Could you elaborate on the potential use cases and applications of Mina in the cryptocurrency and finance industry? Specifically, I'm interested in understanding how Mina aims to disrupt or revolutionize existing systems. Does it target a specific niche or does it have broader aspirations? What types of problems does Mina aim to solve that have been challenging in the past? Furthermore, how does Mina plan to achieve these goals and what are the key factors that differentiate it from its competitors? I'd appreciate a concise yet comprehensive overview of Mina's purpose and intended impact.