Money that we know today has undergone a long development process. At first, people not familiar with the exchange because everyone is trying to meet with business kebutuhannnya own. Human hunting if she is hungry, make their own clothing from materials that are simple, find the fruit for their own consumption, in short, anything that's gotten used to meet requirements. A further development of human mengahadapkan on the fact that what was produced was not enough to memenuhui all needs. To obtain the goods can not be reproduced themselves, they look for people who want to exchange goods owned by other articles needed by them. As a result emerges exchanged goods with the goods.
But in the end, many of the perceived difficulties with this system. Among these are difficult to find people who have unwanted goods and also want to exchange its goods and the difficulty to obtain items that can be exchanged with each other with a balanced exchange of value or almost the same value. To fix this, start those thoughts arise to use certain objects to be used as a medium of exchange. Objects defined as a means of exchange of objects that are received by the public (Generally Accepted) objects selected high value (difficult to obtain or have a magical and mystical values), or the things that is a primary need of daily ; eg salt by the Romans used as a medium of exchange and as a means of payment of wages. Influence of the Romans are still visible until now; the English call a wage as a salary derived from the Latin meaning salarium salt.
Goods that are considered beautiful and valuable, such as shellfish, ever be used as a medium of exchange before humans discovered the coin.
Although the medium of exchange already exists, there remain difficulties in the exchange. These difficulties were partly because the objects used as a medium of exchange has not been broken so that the determination of value for money, storage, and transportation (transportation) becomes difficult and also the difficulties arising from lack of staying power these objects so easily destroyed or was not durable.
