What network is stx on?

Could you please enlighten me on the matter of cryptocurrency? I'm particularly interested in understanding which network STX, the cryptocurrency, operates on. Is it based on a well-known blockchain technology, or does it have its own unique infrastructure? Also, could you explain the significance of this network for STX and how it contributes to the functionality and performance of this cryptocurrency? I'm eager to learn more about this fascinating topic and appreciate your insights.