This will come true once many of the banks, who are looking at the technology, start to use it.
The main question would be, if it will be the Bitcoin Blockchain or a similar type of technology based on it's design.
If you signup at any of the payment processors or exchanges now... you already need NO technical information about the technology. You know your Bitcoin address and you need to know the Bitcoin address of the person/merchant/vendor you want to move payment to. Most of these are done with a quick scan of the QR code.
So it's already happening for most people.