Yes, I also read an article in which two well-known financial analysts predict a crisis in 2018. A similar crisis was already in the years of the Great Depression, namely in 1929, and they connect the coming crisis with this year and the financial cycle in 84 years. But be that as it may, you need to be ready for anything.
You are right, anything can happen now whether its bad or not let's always prepare ourselves. But, I am always optimistic that sooner cryptos will recover again its price.