FUD stands for Fear, Uncertainty, and Doubt. In crypto, people use it to describe negative news, rumors, criticism, or concerns that may make investors nervous.
FUD can be real or exaggerated
Some FUD is baseless hype in the opposite direction: panic without evidence. Other concerns are legitimate, such as security failures, legal action, broken tokenomics, or project mismanagement.
How to handle FUD
The practical response is to check primary information, read what actually changed, and separate emotion from facts. Calling everything FUD can be as dangerous as believing every rumor.
FUD affects crypto because markets move quickly and many traders react before details are clear.