How does THORChain work?

Could you please explain how THORChain operates? I'm interested in understanding its core functionalities and the mechanisms behind its operations. Could you detail how it facilitates cross-chain swaps and how its liquidity pools work? Additionally, I'm curious about its security features and how it ensures the safety of transactions on its platform. Would you also elaborate on its decentralized nature and the role of its native token, RUNE, in the system? Thank you for clarifying these points for me.