Bitcoin is the king of cryptocurrency, but Ethereum is the king of altcoins, for sure. There are certain features and flexibility of any cryptocurrency will increase the their no. exchanges in the crypto market. Here are the reasons why Exchange Ethereum is more popular:

1) Ethereum is decentralized
2) Ethereum is trusted
3) Ethereum is pseudonymous
4) Ethereum is fast

For more details about ethereum visit the following link:
https://www.evonax.com/coin/Ethereum