How do banks use crypto?

In recent years, we've witnessed the rapid rise of cryptocurrencies, sparking curiosity among many about how traditional banks are incorporating this emerging technology. Could you elaborate on how banks are utilizing cryptocurrencies? Are they adopting it for transactions, asset management, or both? Are there any specific challenges they face in integrating crypto into their operations? Furthermore, how do banks ensure the security and stability of crypto transactions, given the volatile nature of the market? Lastly, what are the potential benefits and drawbacks for banks in embracing crypto? I'd appreciate a detailed response that explores these aspects in-depth.