Ether is a required element for operating the distributed platform called . ETH is used as a form of payment by developers of apps built on , as well as by users who are willing to access and interact with smart contracts. On CEX.IO, you can Ether for Bitcoin, for US Dollars or .
There are a number of fiat exchanges that you can use to , or ether, directly with local fiat currency such as dollars or yuan. Kraken is a particularly good way to dollars, pounds or and we’ve written a guide on that here.