it is impossible for ethereum to be the first digital currency and can compete with bitcoin in the market even though etherum's popularity exceeds bitcoin!
"Both have similarities as digital currency", and also have a very big difference, namely in their use as digital currency. have not seen from the price and value of the two which are very much different.
Market capitalization is currently still dominated by Bitcoin, so that's why Ethereum is unable to fight Bitcoin, and for the problem of using cryptocurrencies, I think everyone uses it according to their individual needs, not because something is better, but because of something who can help him.