Which four chains are natively supported by TrueUSD?

Could you elaborate on the four blockchain networks that are natively supported by TrueUSD? I'm curious to know which platforms provide the foundation for this stablecoin and how it leverages these networks to maintain its pegged value. Understanding the technical underpinnings and the choice of blockchain ecosystems is crucial for investors and enthusiasts alike. Your insight into this aspect of TrueUSD would be greatly appreciated.