I dont think every crypto will survive, there are some scam coins and tokens, and also they could be dead by decision of the developers
True.. some coins were just made to scam people and then close down as soon as devs get their desired amount. Some coins end up dead because of bad decisions..
Here's a website that will help you determine which ICOs are good to invest in or not
https://www.menlo.one They will soon launch this coming July to become the very first ICO marketplace wherein you can easily find the good and bad ICOs based on unbiased community discussions (contributors get paid to make honest posts). It's the first of its kind and hopefully, will lessen the number of scams in crypto as well as make it easier to spot good ICOs.