At least, we can officially say that as far as big banks adoption of cryptocurrency it is the USA that is leading the way, and we know that soon even other countries can be following the signal. Well, we have to understand that banks are doing business to make money, and they are now seeing for sure that they can amass great wealth from their customer base if they are going to join the crypto party. Why fight something that is anyway unstoppable, why not instead ride the bull and take some profits along the way.