Ethereum is a decentralized platform for applications. Applications build on it can use smart contracts - computer algorithms which execute themselves when data is supplied to the platform. There is no need for any human operators.
Ethereum [ETH] is a cryptocurrency with its own blockchain. The most actual price for one Ethereum [ETH] is $145.48. Ethereum is listed on 77 Exchanges with a sum of 400 active markets. The 24h volume of [ETH] is $5 227 369 606, while the Ethereum market cap is $15 838 035 634 which ranks it as #2 of all cryptocurrencies. You can find more information about Ethereum [ETH] on