How big is Coinbase's institutional business?

Could you elaborate on the scale and significance of Coinbase's institutional business? How does it compare to its retail operations? Are there any key metrics or figures that indicate the growth or dominance of its institutional segment? Furthermore, how does Coinbase's institutional offering cater to the needs of large investors and financial institutions? Are there any specific services or products that have been particularly successful in attracting this segment? Lastly, what are the potential implications of Coinbase's institutional growth for the overall cryptocurrency market?