A surge of young people has taken a headfirst dive into cryptocurrency. High school day traders have made hundred percent multiples on cash earned from summer jobs. College freshmen have exchanged doctoral dreams for computer science. Students have dropped out of school altogether. Some have embraced cryptocurrencies out of curiosity, others out of conviction, but all are banking that Bitcoin is the technology of the future. It’s early 1990s dot-com boom deja-vu.