I don't see how digital currency based on bitcoin architecture will be attractive to banks AT ALL. AT ALL. You can't "double spend" bitcoin, which is the sine

I don't see how digital currency based on bitcoin architecture will be attractive to banks AT ALL. AT ALL. You can't "double spend" bitcoin, which is the sine qua non of BANKING! You can't "create" bitcoin into existence to make a loan as banking does all the time. What is this canard of CBDC....i don't understand what their game is!