There are lots of altcoin that are doing a lot better now. In between, I think Ethereum is the best one. My opinion is that bitcoin is the most popular after it, Ether. Its use everywhere. Its popularity is increasing day by day. Ether is the next Bitakayne There is a lot of profits There are lots of latters that are doing a lot better now. In between, I think Ether is the best one. My opinion is that Bitcoin is the most popular after it ETH. It is use everywhere. It popularity is increasing day by day. Ethereum is the next bitcoin. There is a lot of profits available in Ethereum Investments. I say, the next bitcoin is Ethereum.