Yes, fud is very much done by people who do not want to spend a lot of capital in investments, for example, Peter has 50 digital coins, let's call it a "dummy coin", dummy coins are a new coin that potentially has a high price because bountynya project success. Then someone appears, let's say he is steven, he speaks to the peter that the coin held by the peter is a coin that is not good (whether it's a scam or something else), whereas actually the coin held by the peter is a good coin. As a result of the action of the steven, eventually the peter became disbelieved again with his coin, and then the steven bid the coin with a very cheap price and then the peter agreed that the coin will be purchased by the steven.
It will be fond that all cryptocurrency were indeniably risk at all stakes. It takes time and significant time. ONLY TIME. Proper time. To make a full mental judgement in doing what is right to your investment. The property tht you were dealing with is the one that hold in your hand. It might not entice your future but its necessary to have luck at all stake.