Ethereum is a popular cryptocurrency in the world cryptocurrency market. Most of the projects directly continue their ico and ieo with pair of Ethereum.
Indeed the fact is like that because I also experience in IEO on local exchange and EThereum much in the interest of altcoins lovers who will be created.
But Bitcoin has a strong fact, where Bitcoin is able to compete and defeat all cryptocurrency in circulation.
But it's simpler to use Ethereum through MetaMask or other wallet applications, if compared to Bitcoin which is difficult to obtain at the moment.