Yes, you're right! Sam Bankman-Fried is a well-known cryptocurrency trader and entrepreneur who has been successful in using arbitrage trading strategies. He is the founder of FTX, a cryptocurrency derivatives exchange, and Alameda Research, a quantitative trading firm that uses algorithmic trading strategies to trade cryptocurrencies.

Bankman-Fried has been vocal about his use of arbitrage trading to generate profits for his trading firm. In an interview with Forbes, he explained that his firm uses a variety of strategies, including arbitrage trading, to generate profits in the cryptocurrency market.

Bankman-Fried has also been involved in various philanthropic efforts, including donating millions of dollars to charities focused on global poverty and animal welfare.