Which banks work with Kraken?

As a cryptocurrency enthusiast and investor, I'm curious to know which banks collaborate with Kraken, a leading cryptocurrency exchange. Given the ever-evolving nature of the crypto landscape and the varying regulatory frameworks across different jurisdictions, it's essential to understand which financial institutions provide banking services to crypto exchanges. This information is crucial for investors seeking to ensure the safety and efficiency of their transactions on Kraken. Could you elaborate on the banking partners Kraken has established relationships with, and perhaps discuss the benefits these partnerships bring to both the exchange and its users?