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?
It is always possible to have another cryptocurrency to replace bitcoin. I don't think bitcoin would reign forever that's why you should start investing on other cryptocurrrency today so that if ever bitcoin has been replaced, you have your own back up investment. We all know how hard it is for bitcoin to loose its reputation but it's all part of the game, it will be replaced no matter what happens.