The third definition will be the most popular during the modern-working day, and it's commonly used when discussing the values of Bitcoin (BTC) and various copyright investments. The most popular example of FUD is sentiments encompassing Tether, a stablecoin issuer. Tether FUD is quite frequent from the copyright business https://financefeeds.com/tether-weighs-new-u-s-stablecoin-as-congress-advances-copyright-legislation/