Is Quant on the Ethereum network?

Could you please clarify for me if Quant is indeed operating on the Ethereum network? I've heard some speculation about its placement within the blockchain ecosystem, but I'm not entirely certain. Would it be accurate to state that Quant leverages the functionality and infrastructure of the Ethereum platform for its operations? Or is it independent of Ethereum and utilizing a different blockchain technology? I'm trying to understand the technological foundation of Quant and how it fits into the larger cryptocurrency landscape. Thank you for your assistance in clarifying this matter.