It is true, many people know crypto from Bitcoin. They know Bitcoin first, then they know about crypto and altcoins. Of course, Bitcoin has a big role to make crypto be popular like today. With the special history, it makes people more interesting to know Bitcoin. And it finally leads them to know the altcoins and crypto as a whole as well.
Almost many people know with bitcoin but little of them know with altcoin too, maybe bitcoin have higher price and make popular its easy than altcoin, but many people do not know with altcoin and only take investing with bitcoin only, but when entry on cryptcourrency day by day they will understand what is altcoin.
Yes, the media almost always only mention bitcoin, so many people are still unaware of the existence of altcoins. However, everything has its time. Altcoins perform many useful functions, so over time, people will definitely learn about them.
Now that the price of bitcoin has reached more than $ 60,000, this information is again arousing great interest in him. This circumstance also contributes to the popularity of other cryptocurrencies.