Ether can be traded with Bitcoin, in ETH/BTC trading pair on LATOKEN. Ether is a native token on the ethereum blockchain. Ether is used to transact on the Ethereum protocol and used to pay for gas fees. Gas fees are essentially transaction fees that must be paid to process any transaction on the Ethereum netowork. The gas fees fluctuate because of increases or decreases in transaction volumes on Ethereum network. Ethereum is the second most popular blockchain and allows other applications to be built on Ethereum blockchain.