I don't think Bitcoin will ever be dead. I doubt it. It's the first crypto currency ever created in history that started the with the Blockchain technology. But I do know this....once Bitcoin becomes mainstream, it's value will probably rise up to $1000 or more. That's why I'm holding Bitcoin since it's the most valuable crypto right now. Most other coins are just another copy of the Bitcoin code (like Litecoin, Dogecoin, etc) However, I have to admit that most coins have bought promising technologies such as Monero (XMR) which is by far one of my most favorites. Just opining
