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25-year-old Darren Nguyen's crypto business is based at his parents' suburban home, per The Australian. Filings reported by The Australian show it managed to trade $2 billion worth of crypto in the fiscal year ending June 2021. The firm made an after-tax profit of $7 million as crypto boomed in 2021.A 25-year-old traded $2 billion of crypto despite living with his parents, according to public records cited by The...