Invested money can render higher profits only if the investor will accept a higher possibility of losses and there is no investments of today that will guarantee of no risk therefore all types of investments are all prone to risk either crypto or none crypto they are all the same. If you dont like the risk then do not invest plain and simple.
And most of the people who enters crypto don't realize or accept that truth because they only came to get the same roi of the first people who traded and make most of the rewards not knowing by these newbies that those veteran traders also experienced losses first before they made huge gains. Crypto is still very lucrative compared to other investments and newbies should know all the risks involved before they get angry and weep for many years after their losses.