The term cryptocurrency refers to both a virtual currency and the peer-to-peer payment system that accompanies it. These are virtual currencies without physical media, not regulated by a central body and whose value is not indexed to a legal currency or commodity. Bitcoin is an immaterial currency, or cryptocurrency, that allows its holder to purchase goods and services on the Internet or in real life. Unlike traditional currencies, Bitcoin, like all virtual currencies, has no central bank, central agency or financial institutions to regulate it. Instead, Bitcoin relies on a vast over-the-counter network on the Internet. What is a crypto currency? What is it for? Find out everything you need to know before investing in digital currencies such as Bitcoin, Ethereum, Dogecoin, Binance Coin, Ripple... which are no longer virtual. Indeed, this book proposes to demystify cryptomoney, bitcoin and the issues of digital assets.