The ETH/USD pair is the ratio of the Ethereum crypto currency to the US dollar. Ethereum is one of the forks of bitcoin, which is no less popular, but it can not be considered a direct competitor to Bitcoin. It possesses a unique technology of "smart contracts", which means that it is possible to conduct transactions with all types of assets on the basis of a blockchain database without legal formalities. Just like Bitcoin, Ethereum is a crypto currency, issuance of which is carried out on the Internet without the control by state authorities and banks. The pair has enough high volatility indicator, therefore, it is recommended only to experienced and active traders.