How does the mantle network work?

Could you please explain how the Mantle Network operates? I'm particularly interested in understanding its core functionalities and the mechanisms that drive its transactions. How does it ensure scalability and efficiency in the realm of cryptocurrency and finance? Also, could you elaborate on its security measures and how it protects users' transactions from any potential vulnerabilities? I'm eager to gain a deeper understanding of how this network functions and its potential impact on the broader crypto ecosystem.