A loss of 50% of capital means that a person has no risk management. If correctly, then if you lose 10% of capital, trade in the current month should be stopped. Because nowadays a person doesn't understand the market.
There are so many people who lost big margins of profits and after that their own worth as well. This is a general case for majority of the people just did not have a counter strategy for the falling price. The primary reason behind this is the incomplete guidance and often following blindly given advises.
This is the reason why we need crypto to be in the university syllabus across the world. Some things just cannot be avoided and crypto currency-in future- is no doubt one of those things.