Bitcoin seems for like the ancestor which has involved into Litecoin, Peercoin and Ethereum. Bitcoin is definitely the trading king. But Ethereum is the utility and token king. Bitcoin is just the orgin if cryptos.
Yes , ethereum coins today is really hot in the market and there is a huge chance for eth coins to grow even more in the future since there are a lot of people who is also interested on investing in it.
Interested in etherium blockchain is normal since the massive grow of etherium so far.
We could not deny since this blockchain built, the cryptocurrency become more interesting. I dont say before that its not intereating but after etherium then its more. So bitcoin and etherium can be staying in the top.