Every financial sector is getting tokenized. The company is issuing token and try to do transactions without the bank involved. Banks also working with many crypto industries like XRP. Some Asian back is working with Ripple and that means they are also thinking about crypto and trying to understand and accept it.
If it means whether banks will switch to using blockchain technology like the rippe network, then of course this will happen, and very quickly. Almost all states, without exception, have realized the real advantages of blockchain technology and are already mastering this technology at a rapid pace. Banks will not leave them alone. The SWIFT method, which they used before, is outdated for a long time and bank employees themselves understand this.
As for operations with cryptocurrency, here you can count on the introduction of cryptocurrency and regular currency exchange by banks. Banks will carry out more complex operations with cryptocurrency if it is profitable for them financially and after multiple weighing of all possible risks.