Ethereum is one of the most successful projects to date. This project, discovered by Vitalic Buterin in 2014, is a revolutionary project that changes cryptocurrency. Ethereum is the first project to introduce smart contracts which are currently widely used by developers to build ethereum-based projects. Ethereum is one of the cryptocurrency with the most usage after bitcoin where it is ranked second on coin marketcap. This is because etherum is very easy to use, cheap in transactions, and can be used for various sectors of life.