The entire crypto market is not fraudulent. These are the reactions you say now because you lost your money. Most crypto projects use blockchain technology, so currencies are decentralized and not controlled by any group. The price fluctuation that probably scares you is actually a good thing, because you are making a profit, but for this you have to be patient. In order not to fall into the trap of fraudsters, you must be well informed. There are also such projects on the market, but you must have the ability to avoid them, and for this you must be informed.