At first I thought it was impossible for Bitcoin to be replaced since it is the first cryptocurrency, but you are right, some altcoins may have better features than Bitcoin and people may prefer them instead.
Here's an analogy, lets imagine all cryptocurrencies are like mobile phones. Bitcoin is Nokia, and started the mobile phone trend. And soon after everyone started using Nokia. But brands like Blackberry, Samsung and Apple soon created their own phones, and Apple made a major breakthrough with a touchscreen function, where everyone gradually switched to that after a while, and now Nokia is outdated.
Bitcoin has our trust now, but other cryptocurrencies might overtake BTC in the future.
I agree with this. Well said. Chances are chances, it mustn't be taken for granted. Even how small that chance, as long as it is not
i do this question because i´ve read in this website issues with bitcoin, slow mining process, high fees, etc. and i´ve read too good reviews of some altcoins, ethereum (smart contracts), ripple (for transfers between banks), dash and nem. these altcoins called 2.0. could bitcoin become just in future virtual gold reserved to companies and rich people?
There is a possibility. However the probability of this ever happening is quite low.
In all of cryptocurrency's history, bitcoin has always been the number one crypto. Litecoin, Ethereum, Ripple have all come close but none have ever overtaken it. I believe that the reason this is the case even though you can see that Ethereum has more functionality, ripple is able to do interbank transactions and already have partners, and litecoin being cheaper in transaction fees and faster in blocks is that bitcoin has a reputation that no one else has.
All these altcoins are built on top of bitcoin's blockchain technology. Bitcoin was the first to implement it, it has a wider community etc. You barely can find one person that is involved in altcoins but not bitcoin. But you'll find lots that only believe in bitcoin, but not altcoins.
I agree with you, that there is possibility. However, no matter how small that possibility is, chance is chance, it mustn't be taken for granted. That small possibility can occur as long it is not zero. Though those altcoin are in great disadvantage with bitcoin, they can think ways on how to turn that into advantage. Those people are not just nobody, they make altcoins because they can, they have the power to compete with each other. And if their efforts produce results, results that are better than bitcoin, then bitcoin will become the alt coin and the dominant one will take its place.