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AIfraud

Forget the golden age of fraud, the billionaire investor who shorted Enron warns we might be in the ‘diamond or platinum level’ amid the AI boom

Sasha Rogelberg
By
Sasha Rogelberg
Sasha Rogelberg
Reporter
Sasha Rogelberg
By
Sasha Rogelberg
Sasha Rogelberg
Reporter
August 29, 2025, 2:45 PM ET
Jim Chanos, wearing a blue shirt and dark suit, looks off to the side, brows furrowed.
Investor Jim Chanos warned of an increase in financial fraud following the height of the AI boom.Victor J. Blue—Bloomberg/Getty Images
  • Billionaire investor Jim Chanos, who predicted and profited from the collapse of Enron, warned financial fraud is already on the rise as a result of the AI boom. He holds the theory that a cycle of fraud follows a cycle of financial success and expects more companies to break promises to investors about the capabilities of AI.

In 2020, billionaire short-seller Jim Chanos told the Financial Times we were in the “golden age of fraud,” the result, in part, of Silicon Valley’s “fake it till you make it” attitude and a surge in eager retail investing as a result of the pandemic.

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About five years later, as the AI boom balloons larger than the dotcom bubble of nearly 30 years ago, “we might be moving on to the diamond or platinum level” of fraud, he said.

Chanos—who made part of his fortune as a short-seller of Enron, an energy company investigated by Fortunefor its widespread fraudulent practices—warned that as the AI bubble continues to inflate, financial fraud is bound to accompany the sector’s success. 

“I haven’t spent a lot of time on the technical side of AI-driven fraud—like deepfakes and similar tools—but it’s pretty clear it’s going to get worse,” Chanos said in an interview this week with nonprofit think tank Institute for New Economic Thinking.

“When it comes to financial fraud specifically, there’s no question we’re seeing more of it—especially riding the wave of the current AI-driven market boom,” he added.

The S&P 500 is up 10% year to date, with most of its growth fueled by the Magnificent Seven. The spending of tech giants on AI and its infrastructure was so massive it added 0.5% to U.S. GDP growth, according to Pantheon Macroeconomics. 

But amid increased concern over an AI bubble, investors’ confidence in the sustainability of AI-powered growth is wavering. An MIT report released last week found that because of the rush to integrate AI into the workplace, only about 5% of AI pilot programs generated immediate revenue. For the other 95% of projects, implementation fell short.

And earlier this week, though Nvidia reported $46.7 billion in second-quarter revenue, marking a 56% year-over-year sales boost, exceeding expectations, shares fell on a data-center revenue miss, marking a potential vibe shift in investor optimism.

Early signs of fraud in the AI era

Chanos’s framework for predicting the rise of fraud is that it is precipitated by periods of mass financial growth. The AI boom is no exception.

“It’s one of my long-held views that the fraud cycle always follows the financial cycle with a lag. And we’re definitely seeing that now,” Chanos said. “I think we’ll see even more of it, as companies do everything they can to hype themselves to unsuspecting investors by claiming they’re AI companies or touting some big technology breakthrough that sounds exciting but doesn’t happen to be true.”

Cracks in the industry have already started to emerge. In April, the U.S. Department of Justice accused shopping-tech startup Nate of telling investors AI was helping shoppers in the checkout process, while in reality, it was human workers from the Philippines and Romania who were handling the transactions. Former Nate CEO Albert Saniger faces one count of securities fraud and one count of wire fraud. Nate did not immediately respond to Fortune’s request for comment.

Scrutiny over alleged false promises of AI also coincides with the technology being used for scams and cybersecurity breaches. Tianyi Zhang, general manager of risk management and cybersecurity at Singapore-based Ant International, told Fortune earlier this month: “In some markets, we have found that more than 70% of new enrollments [of clients and financial institutions] may be deepfake attempts. We’ve identified more than 150 types of deepfake attacks.”

Chanos has previously said fraud is exacerbated by lax regulations, but has posed the question of whether financial institutions and AI should be regulated by third parties or the free market.

“There’s no doubt that this financial cycle has likely surpassed the dotcom era in terms of enthusiasm, valuations, and capital markets activity,” Chanos said this week. “So now, we just have to see how it plays out.”

Fortune Brainstorm AI returns to San Francisco Dec. 8–9 to convene the smartest people we know—technologists, entrepreneurs, Fortune Global 500 executives, investors, policymakers, and the brilliant minds in between—to explore and interrogate the most pressing questions about AI at another pivotal moment. Register here.
About the Author
Sasha Rogelberg
By Sasha RogelbergReporter
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Sasha Rogelberg is a reporter and former editorial fellow on the news desk at Fortune, covering retail and the intersection of business and popular culture.

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