Do you really believe something like that? Bitcoin and Bank has only one common. Both of them start with letter 'B'. But if you like the bank idea why not stick with fiat? If you like digital currency there is already a bank its name is LHV Pank which is the largest independent bank of Estonia. They did an experiment using cryptographically protected certificates valued 100,000 Euro using colored coins. They called this technology cuber. They also created a mobile SPV wallet. On the other side here is the satoshi's vision. If you read only the abstract do you find any similarity?