At the beginning of civilization, the financial system began, whose name was given by barter, that is, the simple exchange of merchandise by merchandise.
In the seventh century, it was represented by coins, its value was based on gold ballast.
In the nineteenth century, with difficulty in storing and transporting coins, paper money was invented.
For those who thought it was going to stop there, came the revolution, and in the 21st Century exactly came the cryptographed coins, totally decentralized, only the owner of a currency knows the password to use it.
