Quote Originally Posted by Hacchan View Post
Unrelated, a bank wont need a the same type of server to send data for a transaction, they just need (to put it simple) a key confirmation that goes from a to b then back to a and that's it.
If only stuff was so simple than a simple confirmation ... i suppose that you have always enough currency just in case ATM system is down ... yep some credit card need some check within your bank to allow you to do an operation.