Indeed, after the currency broke away from the provision of precious metals, their main function is supported only means of payment agreement, the participants of economic relations.
I strongly believe in the power bitcoin, because the total number of coins in the system is limited to the top 21 million coins algorithm, so in theory the coin must go up. And this is the main attraction today is generated about half that amount, then the price will rise more in some times.
Good our believe can make bitcoin more stronger and we will be support bitcoin and i hope bitcoin will be more and more increase its price and then we will be get a big profit from bitcoin.