The man has gone through phases where absolute changes have resulted into the modification of the present day world. The modification phases have brought him the best he could afford, or sometimes have got the situations worsened up for himself. The man always has learnt from his terrible past, and has come with the inventions that would enable him to escape that horrible previous happenings, and avoid them too at the least. In the early stages of development, man learnt to trade with commodity where no term like money had been coined. The term money came up late, and the man started to trade with the same, that too when he learnt its better use of late.
The man learnt how to negotiate a price of the commodities he is dealing into, and command a trade where every transaction earned him something or the other. Hence, profit became his motive where he always tried to maximize it.
And now when the change is on the move, and humans are again witnessing a phase of change, then they shall switch sooner than later over to the bitcoin exchange.
The bitcoin exchanges that bring nothing, but more prosperously in the society shall be used, and the concept of money shall not be discarded altogether, but the concepts of money shall be enforced to be the laws with the trading system.
The best bitcoin exchange brings equal form of money, but in a form that can never be seen, but can be observed in figures over the wallers where the owners tend to keep their money in electronic form safer than ever before. And as far as how to buy bitcoins is concerned, it shall be much similar to what is being done over the internet with the present stock exchanges that too run with the similar concepts, whose foundations have been laid down by money.