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Texas man charged over alleged $12.3 million AI crypto arbitrage scam

Reported by Cryptonews
May 29, 2026· 2 min read
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Key Takeaways
  • • The SEC charged Texas resident Nathan Fuller with orchestrating a $12.3 million cryptocurrency arbitrage fraud that operated between October 2022 and mid-2024, affecting approximately 150 investors through entities including Privvy Investments.
  • • Fuller marketed fraudulent investment contracts promising returns of 40–50% within 30–45 days, and in some cases guaranteed returns exceeding 100% in as little as 21 days—claims substantially exceeding historical cryptocurrency yield offerings.
  • • Regulators allege Fuller misappropriated at least $6.2 million in investor funds for personal expenses including luxury goods and travel, while using approximately $5.5 million to make redemption payments to earlier investors, consistent with Ponzi scheme mechanics.
  • • The alleged "proprietary AI-powered high-frequency arbitrage trading robot" that Fuller claimed to have developed did not operate as advertised and was used as a cover narrative to justify capital misallocation and fraud.
Summary
The U.S. Securities and Exchange Commission has charged Nathan Fuller, a Texas resident, with orchestrating a sophisticated cryptocurrency arbitrage fraud that raised approximately $12.3 million from roughly 150 investors between October 2022 and mid-2024. The scheme operated through multiple investment vehicles, including Privvy Investments, and centered on a false narrative regarding an AI-powered trading technology.

Fuller marketed investment contracts with extraordinary return promises, claiming investors could achieve returns of 40–50% within 30–45 days, with some offerings guaranteeing returns exceeding 100% in as little as 21 days. These promised yields significantly exceed even the most aggressive offerings seen during prior cryptocurrency cycles, including collapsed schemes such as Mirror Trading International. The positioning of the investment as AI-driven arbitrage reflected an exploitation of investor appetite for algorithmic trading solutions and artificial intelligence-based financial products.

According to the SEC's litigation release, the alleged proprietary AI trading robot did not operate as described. Rather than deploying investor capital into legitimate cryptocurrency markets as promised, Fuller allegedly misappropriated at least $6.2 million for personal expenses including luxury goods and travel. Regulators identified an additional $5.5 million in flows directed to earlier investors, establishing patterns consistent with Ponzi scheme mechanics—a structure in which earlier redemptions are funded by subsequent investor deposits rather than legitimate trading activity.

The case reflects ongoing regulatory focus on cryptocurrency schemes that exploit emerging technologies and investor enthusiasm for AI-based investment strategies. The scale and structure of the Fuller scheme—combining high-yield promises, technological mystification, and wealth concentration—represents a material risk category for institutional investors evaluating cryptocurrency and alternative investment exposure through third-party operators.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Cryptonews Texas man charged over alleged $12.3 million AI crypto arbitrage scam