Ethereum's smart contracts are powered by a cryptocurrency called Ether. This is sometimes abbreviated ETH. Using ether, you can execute transactions to do things like vote, create a new currency, or even manage a whole decentralized company.Ether is the transactional token that facilitates operations on the Ethereum network. It is used to pay for computation, and also as a reward for miners who secure the network.Ether can be transferred between accounts and used to compensate participants in decentralized applications (dapps).