What chain is balancer on?

Excuse me, could you please clarify which specific blockchain network the decentralized finance (DeFi) protocol known as Balancer is currently operating on? It's essential to understand the underlying technology that supports a platform like this, especially when considering factors like scalability, security, and interoperability with other blockchain-based projects. Could you elaborate on the choice of blockchain for Balancer and any potential benefits it offers for users and developers alike?