Virtual Money can be defined as a digital representation of value that is issued and controlled by its developers, and used and accepted among the members of a specific (virtual) community. Unlike regular money, it is relying on a system of trust and not issued by a central bank or other banking authority. In this article, Sia Partners explains why Virtual Money could become really important, which are the main products and players in the market today and what are their main characteristics, risks and advantages. We also explain key concepts related to Virtual Money, such as Mining and Blockchain.