Ethereum is the king of altcoins as none other altcoins have been able to capture the market like it has been from 2011. Today the price of Ethereum rose to $2900 which is incredible as Bitcoin has been trading side ways for sometime now. The Ethereum ecosystem is bigger than Ethereum itself and that is why it listed as the second coin on CMC. For every transaction on its ecosystem every user needs Ethereum as without it user cannot make any transaction.