This is not the end of crypto, many people feel a loss like you, this is only a failure, it's a matter of time if you don't want to lose more money you have to save it for sale when the market situation improves.
When you invest in crypto you should have to consider risk about long return of your investment and worst is nothing profit that we have get so let us invest what only we afford to lose to avoid compromising if times that there is a misfortune in crypto currency, but no need to worry because crypto will live forever in this digital world knowing that crypto is an electronics money and the whole world is marching towards the peak of digital era.