Crypto will never die, for all the altcoins I can say that the projects do not work out the company to the end and fulfill the promises and people stop believing in them and selling ((
It's already a combination of a lot of things i think. A natural correction, weak hands panicking and whales manipulating the market. Don't worry though since these people will eventually get tired of this bear market and you have to be ready when they let go of the bulls.