I agree with you...don't hope to be rich quickly or in the one day from Cryptocurrency . Cryptocurrency is good for the secondary income beside the main salary. Then, we must be carefully for the Ponzi scheme or other scam program.
Cryptocurrency is not a tool that can create wealth overnight and it takes time for a project to produce products that are used by people. Investing, whatever its form, either stocks or gold, it takes time for our investment to grow as well as crypto, it takes time for investors to believe that cryptocurrency is a real market