In early 2013, a curious college student named Mark decided to invest his modest savings of $300 into a new, mysterious digital currency called Bitcoin. His friends mocked him, calling it "Monopoly money." Over the years, Mark watched in amazement as the value of his investment soared. By 2017, his $300 had turned into a staggering $60,000. Mark used some of his newfound wealth to pay off student loans and travel the world. Despite the volatile nature of cryptocurrencies, Mark's story became a legend among his friends, turning their skepticism into curiosity and sparking their own adventures in the crypto world.