Yes of course you are right, ethereum is the best crypto coin next to bitcoin. In fact it has gain more popularity this year 2018 and that has help a lot in its price stability a bit even though the crypto market is in dip. Ethereum is next to bitcoin because it is being used now widely same as bitcoin is being used widely. Ethereum has a really great future and it may even surpass bitcoin later in the future, but now ethereum is the best crypto coin next to botcoin