What chain is Bome on?

Excuse me, I'm curious about the technical underpinnings of the Bome project. Could you please elaborate on the blockchain technology that Bome is utilizing? Specifically, I'm wondering if Bome is built on a major public chain like Ethereum or Solana, or if it's utilizing its own proprietary blockchain? Additionally, what are some of the key technical advantages or differentiators that the Bome blockchain offers over other existing blockchain solutions? Your insights would be greatly appreciated.