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Portrait of a 29-year-old billionaire: Can Sam Bankman-Fried make his risky crypto business work?

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“I hope to never be as wrong as I was in that conversation,” says Adam Yedidia. He is reflecting on a chat he had with Sam Bankman-Fried, his close friend and former MIT classmate, in fall 2017.

Bankman-Fried was then inviting Yedidia to join him in launching a trading firm in Berkeley, Calif., that would specialize in buying and selling cryptocurrencies—digital assets like bitcoin (BTC-USD), ether (ETH-USD), and litecoin (LTC-USD). Yedidia declined, and even tried to talk Bankman-Fried out of the whole idea.

“I was sort of like, this crypto thing seems pretty scammy,” Yedidia recalls. “I was convinced it was a bubble.”

Bankman-Fried, now 29, went forward anyway. Four years later, he is a billionaire 16 times over, according to a recent Forbes estimate. Though such estimates are fuzzy—many of Bankman-Fried’s digital assets are illiquid, of speculative value, and just plain weird—his sudden prosperity appears to constitute one of the fastest accumulations of self-made wealth in history.

His riches stem from both the trading firm Yedidia took a pass on, Alameda Research, and from a Hong Kong-based cryptocurrency futures exchange, FTX, which Bankman-Fried started up in mid 2019. (Yedidia finally joined Bankman-Fried at FTX this past January.)

Last month, FTX—of which Bankman-Fried owns nearly 60%—completed an industry-record $900 million fundraising at an $18 billion valuation. That valuation was 18 times higher than it had been 17 months earlier, at FTX’s first-round fundraising in February 2020.

Sam Bankman-Fried appears on Yahoo Finance.
Sam Bankman-Fried has appeared on Yahoo Finance.

Bankman-Fried also still owns 90% of Alameda Research, he says. Alameda’s digital wallet at FTX (which is not its only store of assets) contained over $10 billion in digital coins in mid-July, according to a screengrab he sent me. (More than $5 billion of that was “locked,” however—not yet eligible for conversion to conventional money—and another $4 billion was in FTT, a digital coin issued by FTX.)

Over the past three months, FTX has unveiled high-profile marketing contracts with Major League Baseball, celebrity couple Tom Brady and Gisele Bündchen, and the NBA’s Miami Heat, which is renaming its home venue FTX Arena. Last election cycle, Bankman-Fried contributed more to President Joe Biden’s campaign than anyone except Michael Bloomberg: about $5.2 million, according to Federal Election Commission records.

Still, the book isn’t closed on whether Yedidia’s original instincts were foolish or not. Despite Bankman-Fried’s increasingly mainstream acceptance and considerable personal charisma—he’s become a frequent guest on cable business shows and also appeared on Yahoo Finance—what he’s doing is dicey.