Which chain for tusd?

Could you please elaborate on which blockchain network is best suited for the Tether USD (TUSD) stablecoin? Given the numerous options in the cryptocurrency landscape, it's crucial to understand the advantages and disadvantages of various blockchains when it comes to stablecoins. For instance, Ethereum is a popular choice due to its established ecosystem and smart contract capabilities. However, there are also emerging blockchains that claim to offer improved scalability and transaction speeds. Could you provide some insights into which chain would be the most appropriate for TUSD, considering factors such as transaction fees, confirmation times, and overall network security?