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.
The market is very young so there are so many inexperienced users. But every year those who remain in the market are becoming more experienced and no longer make mistakes.