What chain is Echelon Prime on?

Excuse me, I'm curious about the underlying technology behind Echelon Prime. Could you kindly enlighten me on what blockchain Echelon Prime is currently operating on? As a cryptocurrency enthusiast, I'm always fascinated by the various platforms and their respective advantages. Understanding the chain that Echelon Prime resides on could help me grasp its scalability, security, and interoperability. Thank you for your time and assistance in clarifying this matter.