Not long before FTX collapsed in November, its founder, Sam Bankman-Fried, sent $400 million to an obscure cryptocurrency trading firm called Modulo Capital, the New York Times reported. The fledgling firm, which was founded in March and operated out of the same Bahamian compound where Mr. Bankman-Fried lived, had no track record or public profile. One of the founders, Duncan Rheingans-Yoo, was only two years out of college. His business partner, Xiaoyun Zhang, known as Lily, was a former Wall Street trader who had previously been romantically involved with Mr. Bankman-Fried, according to four people with knowledge of their relationship. Now, Modulo is emerging as a crucial part of the investigation by federal prosecutors into Mr. Bankman-Fried and his once giant cryptocurrency exchange. They’re examining whether he used FTX’s customer funds to invest in the little-known firm when his existing hedge fund, Alameda Research, was struggling amid a wider crypto industry downturn. The $400 million outlay was one of Mr. Bankman-Fried’s single largest investments.
