In April 2013, the value of bitcoin peaked at $266 before crashing to a low of $50 soon after. Since then, bitcoin has seen large fluctuations in its value, most recently following the seizure of online drugs marketplace Silk Road, plummeting before jumping $30 in one day to a high of $197 in October.
Unselfish example sentences unselfish definition not selfish; Putting the good of others above one's own interestsgenerous synonyms for at thesaurus with free online thesaurus, antonyms, and definitions.
an apparently unselfish concern for others or behavior that provides benefit to others at some cost to the individual. In contrast to selfishness, altruism represents a need to help or assist others, without regard to rewards or returned favors. In animal behavior it is difficult to understand how altruism could evolve since natural selection operates on individuals.