The third definition will be the most popular while in the modern-day, and it's commonly utilized when discussing the values of Bitcoin (BTC) along with other copyright investments. The expression “FUD” is attributed to computer architect and entrepreneur Gene Amdahl. He used it to explain the habits of IBM, https://financefeeds.com/best-altcoins-to-buy-now-which-sectors-are-leading-in-april-2025/