The idea of ​​Ethereum was advanced at the end of 2013 by Vitalik Buterin, a Russian-Canadian computer scientist aged 19 at the time. The platform, launched on July 30, 2015, has enjoyed a boom in popularity since March 2017, becoming today the second largest cryptocurrency in circulation. The monetary part of Ethereum's strict sense is for the moment largely inspired by bitcoin; but what makes this platform so interesting is the door it opens for the smart contract concept