Money was first used as a medium of exchange. Today, it has become a tool of economic policy.
At the beginning of the establishment purposes of Central Banks, policy for stability in money markets.
Money that is physically controlled and printed by a central institution alternative cryptocurrencies have become very popular in recent years. There are different types of money. Moreover, the giant that uses cryptocurrencies as an alternative to physical money.There are also organizations.
Cryptocurrencies, which are distributed over the Internet and used as an investment tool, are also physical in the world. It seems to be worth more than money. Here is some examples: