Cryptocurrencies are here to stay, the future is a world without FIA currencies. First there were only metal or gold coins, then there was the paper money, now the cryptocurrencies are coming to save the paper.
The invention of the car saved the horse!
So if one goes down there is another that will take its place.
RE: If Bitcoin somehow failed this time, would Altcoin survive?? Are we going to the end of cryptocurrency??