Ethereum is a open-source project which is developed by the community, and It's the second cryptocurrency company in capital terms, just behind Bitcoin. Ethereum is so important project, becouse many of the best developer workd with It and becouse smart contracts were created by the first time, in Ethereum network. A lot fo people consider Ethereum the most important cryptocurrency and a lor of gigant proyects like MakerDao, Brave Browser and others depend of Ethereum infraestructure.See full review