Does Coinbase use arbitrum?

Could you please clarify if Coinbase, a popular cryptocurrency exchange platform, utilizes the Arbitrum scaling solution for Ethereum? Arbitrum is known for its ability to enhance the scalability and efficiency of decentralized applications built on the Ethereum blockchain. Given Coinbase's focus on providing users with access to a wide range of crypto assets and services, it would be interesting to know if they have integrated Arbitrum to offer faster and cheaper transactions for their customers.