The SEC has brought civil charges against Nathan Fuller, a Cypress, Texas resident accused of raising about $12.3 million from roughly 150 investors through an alleged crypto fraud built around AI trading bots, guaranteed returns and fake investor protections.
Fuller allegedly sold joint-venture interests through Privvy Investments, LLC and the names Privvy Investments and Gateway Digital Investments from at least October 2022 through mid-2024. Investors were told their funds would be used by proprietary AI-based bots to run high-frequency arbitrage across crypto trading platforms.
The numbers at the center of the pitch were extreme. Some investors were allegedly promised returns of more than 40% to 50% within 30 to 45 days, while others were told profits could exceed 100% in as little as 21 days. The civil charges also center on claims that investor funds were protected by a surety bond, FDIC insurance and a professional-liability policy.
Fake AI Returns, Real Investor Losses
AI gave the alleged scheme its credibility layer. Fuller allegedly claimed the bots could scan markets, find arbitrage opportunities and limit downside risk through automated stop-loss coding. The complaint alleges the bots did not function as represented, did not include the promised AI or stop-loss features, and were not used to run the high-frequency strategy investors thought they were funding.
Only about $380,000, roughly 3% of the money raised, was allegedly used to buy crypto assets. Those trades were not executed through the promised bots and allegedly generated no profit. About $6.2 million was allegedly diverted into personal expenses, while roughly $5.5 million was used for Ponzi-like payments to earlier investors.
The pattern matches the warning signs seen across fake AI bot platforms: clean dashboards, impressive return claims, vague automation language and a pitch that makes risk sound engineered away. A bot can automate a strategy, but it cannot remove volatility, liquidity risk, execution failure or losses.
Fake Statements And A ChatGPT-Generated Delay Tactic
Fuller also allegedly used fake account statements and fabricated correspondence to keep investors calm. One alleged investor statement showed gains of more than 334% over several months, even though the entities behind the statement did not hold those accounts. He also allegedly invented “Digital Currency Capital Group,” a name close enough to a real crypto investment firm to appear credible.
As withdrawal pressure grew, Fuller allegedly created another fake entity called Blockchain Audit Solutions and used ChatGPT to generate a letter telling investors their accounts had been transferred and required KYC verification before balances could be liquidated. That detail makes the case more than a bot story. AI was allegedly used first as the sales hook, then as a tool to produce official-looking delay language.
The same trust-building structure has appeared in other crypto fraud cases. A separate $14 million SEC case involving fake AI tips and WhatsApp investment clubs showed how group chats, fake expertise and high-return promises can move victims from curiosity to deposits. Recent phishing campaigns, including fake Uniswap ads that stole at least $400,000, show how attackers keep shifting the interface while using the same pressure tactics.
The Signal Channel Lesson
For traders, the warning is bigger than one Texas case. Signal channels, private groups, bot sellers and “AI arbitrage” offers should be judged by custody, real trade records, permission limits, withdrawal freedom and risk controls, not screenshots, referral pressure or fixed-return claims. A credible trading tool does not need guaranteed profit language to sell itself.
The strongest red flags remain simple: guaranteed returns, vague custody, fake insurance claims, reinvestment pressure, referral rewards, delayed withdrawals and dashboards that cannot be independently verified. The same trust mechanics appear across crypto scam playbooks, from pig-butchering platforms to fake investment clubs and recovery scams.
The SEC is seeking permanent injunctions, disgorgement with prejudgment interest and civil penalties. Fuller has not been found liable in the civil case. The filing now puts hard numbers around the alleged scheme: $12.3 million raised, around 150 investors, only about 3% allegedly used to buy crypto, and millions allegedly diverted into personal spending and Ponzi-like payments. The AI label made the pitch sound modern, but the alleged mechanics were old: fake returns, fake protection, fake records and real losses.
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