Sam BankmanFried's trading firm was able to quietly use customer funds from his exchange FTX without sounding alarm bells, sources say. FTX offered customers a number of services.Alameda's first big trade was an arbitrage play in Japan, where bitcoin commanded higher prices. FTX's chief engineer made a secret change to the cryptocurrency exchange's software. 2681 Blanding Ave, Alameda, 94501. Bitcoin Depot Operating LLC, Bonfare Market 25 - 650 Central Avenue, Suite H, 650 Central Ave, Suite H, Alameda, 94501.