The average Bitcoin investor is a calculating psychopath with an inflated ego, according to scientists. A team of experts recently surveyed more than 500 people to uncover the personality traits that are most common among crypto nuts. They identified that many investors exhibit signs of the “dark tetrad”, a group of four unsavory traits made up of narcissism, Machiavellianism, psychopathy and sadism. In plain English, that means dark tetrads have an inflated sense of self-importance and derive pleasure from the pain of others. They also find it difficult to empathize with others and are sly and manipulative. ... (full story)