No one is protected from this. If you are a beginner and do not know how to drive, then you will lose your money in any case, whether it is cryptocurrency or the stock market.
Yes, there are many amateurs in the crypto market. That is why there is so much talk in the crypto community about failures and manipulations. Although the problem is simply in the people themselves who do not see their mistakes.
Very correct words. You need to understand what you are investing in and be interested in it. Most investors who lost money did not even understand what they were investing in!