Discover what crypto is and how it works. A cryptocurrency is a digital form of money. They are digital assets created to be used to pay for goods and services. Cryptocurrencies can be used as a ...

The BnF Research Library is composed of 4 sites in the Paris region (Richelieu, Arsenal, Opéra and François-Mitterrand) and of one site in Avignon. You can access our collection of over 40 million ...