Since antiquity, money has been the principal means of exchange at the center of economic activity. Its shape has evolved; Of the primitive state (raw materials, agricultural or artisanal products) to three commonly used forms: metal parts based on precious metals, banknotes (also known as fiduciary money) and bank money (also known as bank money: Deposits, checks, transfers, etc.). Today, the currency is mainly dematerialized: cash is only a small part of the money supply.
A variety of currencies is used throughout the world, commonly referred to as the monetary currency in a defined territory or zone. The issuance of banknotes or coins in currency and monetary creation is controlled and regulated by the State or Institution exercising its authority over the defined area (Central Bank).
These currencies are exchanged within the framework of the international monetary system.
Under the umbrella of the digital era, trade and financial exchanges have evolved considerably, leading the system to unprecedented crises. Also, new technologies resulting from the combination of the Internet and computing capabilities of computers are causing a tremendous change in information technology, it’s authentication and processing.
In fact, the computational capacity of large networks must make it possible to keep the state of the debts and claims of the various agents of the economy in an instantaneous manner. It is, therefore, a digital currency that is emerging.
This digital currency will have a second characteristic: it will be peer to peer, and it will be universal. This digital revolution is manifested today by the appearance of crypto-currencies, of which the bitcoin is a part.