Please change that title. What is wrong with you? Are you trying to tempt the newbies to buy XRP?

In fairness what the banks really need is the Ripple network. They do not need a blockchain but a distributed database and that is what Ripple is. Also their gateway system is perfect because banks will make the perfect gateways and the Ripple network will make a good payment rail for them if the nodes work correctly under heavy load.