Bitcoin is a fantastic decentralized currency, A big part of centralized currency is the ability to build credit and offer Loans at an interest rate, dependent upon your credit history in your country of residence. Recently Peer2Peer loaning has become more popular among people looking for a long-term or short-term loan.
There are sites offering to escrow these deals, You can build your credit by adding personal information, social profiles, local credit report and by uploading financial documents showing your income you will be using to pay back the loan.
BTCJam.com is one such website where you can post a request for a loan, Or become an Investor and loan out your money for a profit. If you are looking for a loan it works by creating a listing for your loan after you have setup an account, your listing is then reviewed and funded by a group of investors depending upon factors such as how much you need, Credibility, and Interest rate.
If you are interested in becoming an investor, you may fund your BTCJam account after creating your profile. You will be given a list of loan request you can pick and choose from to diversify your investment portfolio.
As BitBond.net states Banking is necessary, banks are not.