How does Tezos work?

Could you please elaborate on the operational mechanisms of Tezos? I'm particularly interested in understanding its consensus algorithm, as well as how it ensures the security and scalability of its blockchain. Additionally, could you explain the role of staking and governance in Tezos, and how they contribute to its overall functionality? I'm also curious about the unique features that Tezos offers compared to other cryptocurrencies. Could you provide some insights into its innovative aspects and how they might impact the future of blockchain technology? Thank you for your assistance in clarifying these points.