What is Etherueum?
Ethereum is blockchain based technology with the functionality of smart contracts. It is used for building and deploying decentralized applications and is an open source public platform.
Ethereum was invented by Vitalik Buterin. It was built for developng disytibuted applications. The first prototype of Ethereum platform is Olympic although Homestead was considered as the first stable version. Athough Ethereum was considered as a great inovation it had problems of security and scalability. Decentralized Autonomous Organization(DOA) was established in 2016 which was a set of smart platforms was built on the platform. Ethereum has since then overcome a lot of its initial issues like being prone to DDOS attacks.
Link : https://ethereum.org/