What chain is Kaspa on?

Could you please clarify which blockchain Kaspa operates on? I understand Kaspa is a cryptocurrency, but I'm unsure of the specific blockchain technology or platform it utilizes. It would be helpful to know if Kaspa is built on a popular blockchain like Bitcoin, Ethereum, or another lesser-known platform. Understanding the underlying technology can provide insights into Kaspa's security, scalability, and potential for growth in the cryptocurrency market.