Banks use tools as a store of value by holding some assets in reserves, for various economic benefits. Although, adopting Bitcoin in such capacity, would have it's pros and cons. Obviously like controlling inflationary trends, and even help stabilize the volatility of Bitcoin to its users, and conversely such volatility could also alter the stability of a banks statement of financial position. All these could add up to a more stable global economy. Surely banks have started to think of such prospect
Let me tell you things that banking systems do behind us, some of the Banks is trading with Bitcoin without the concept of their customers so for them to do that it is obvious that many of them is serving bitcoin or holding Bitcoin as investment plan in order to make a profit, but they will not make it open to the awareness of government so that they will not be sanctioned because someone of the countries government is not adopting Bitcoin in their country so that is why so many banks do not make it to open when they are holding Bitcoin as a store value to enlarge their banks