Altcoin King? There can be only one king! Ethereum! Why? Simply because of its ease of use, popularity and scalable blockchain.
Most of the users have mentioned the same. There is no doubt in it. Next to bitcoin it is the one that has got the potential to make a big change in the market. It has got all features to be the king serving as the platform for most altcoins functioning over the ERC-20 smart contract. It is to reach great value in the future as the need for Cryptocurrency keeps growing.