In September 2008, Satoshi Nakamoto published the paper Bitcoin: A Peer to Peer Electronic Cash System. Over its foundations, on January 3, 2009, Bitcoin appears. Two new concepts was introduced by Satoshi. On the one hand, there is the idea of a safe and fully distributed electronic database among decentralized nodes working in a peer to peer network; the story of this database system is today known as Blockchain. On the other hand, arises for the first time the notion of a Token as a completely autonomous electronic object; this Token, this autonomous electronic object invented by Satoshi is what, strictly speaking, is known as Bitcoin. Let’s see now, in this post, the monetary nature of Bitcoin.