What chain is Raydium on?

Could you elaborate on the blockchain network that Raydium operates on? Understanding the underlying technology and infrastructure of a platform is crucial for investors and enthusiasts alike. Given Raydium's popularity in the cryptocurrency space, it's important to know if it's built on a well-established and secure blockchain. Could you please provide some insight into the chain Raydium leverages and how it contributes to the platform's overall functionality and reliability?