Shares of Robinhood Markets (HOOD -0.27%) have soared this year as the stock has been one of the biggest under-the-radar winners on the market.The disruptive brokerage has benefited from a boom in cryptocurrencies, its new retirement account offerings, and new tokenization and crypto programs, showing it's finding new ways to monetize crypto. As it's grown, the company's profits have also soared, showing off the scalability of its business model.Additionally, Robinhood has benefited from elevated interest r ...