Robinhood's net profit for the fourth quarter dropped 34% to $605 million, with total revenue of $1.28 billion falling short of Wall Street expectations. Crypto business shrinks significantly Weakness in digital asset trading became the biggest drag on this quarter's performance. Cryptocurrency trading revenue plummeted from $357 million in the same period last year to $221 million, a 38% decline. This performance not only fell below market expectations but also reflects the struggles of the overall cryptocurrency market.