What chain is Woo on?

Could you please clarify which chain you're referring to when you ask, "What chain is WOO on?"? As a cryptocurrency and finance professional, I'm familiar with various blockchain networks, and Woo could potentially be associated with any number of them. Is Woo a cryptocurrency, a decentralized application (dApp), a wallet service, or something else entirely? Depending on the context, the answer to your question may vary significantly. If you could provide more information or context, I'd be happy to give you a more accurate and informative answer.