← Back to Feed

The bot was the alibi. The wire was the whole machine.

The SEC charged Nathan Fuller of Cypress, Texas with running a $12.3M scheme that promised AI-powered crypto trading and, according to the complaint, delivered a Ponzi. The bot was the costume. The wire was the work.

Marcos was fifty-eight years old and two years from a pension when he opened the PDF on his kitchen table.

It was a Saturday. The coffee was already cooling. His wife was at the grocery store. The PDF was one page. It had a logo at the top that looked like a circuit board folded into a triangle, and underneath the logo were three words his friend from church had said over and over the week before.

Proprietary. AI. Arbitrage.

The friend had shown him a screenshot on his phone in the parking lot after the eleven o'clock service. Forty-three percent in thirty days. The friend was not a liar. The friend was a forklift operator who paid his tithe in cash and coached Little League. If the friend had forty-three percent in thirty days, the forty-three percent was real.

Marcos read the PDF twice. He read the part about the surety bond. He read the part about FDIC insurance. He read the part about the professional-liability policy. He did not know what a surety bond was and he did not know that FDIC insurance has never, in the history of the agency, applied to crypto. He knew the words. The words sounded like a bank.

He wired eighty thousand dollars on a Tuesday. The confirmation email came back in nine minutes.

I.

The SEC's complaint, filed May 28, 2026 in the Southern District of Texas, names a man in Cypress, Texas. Nathan Fuller. It names his company, Privvy Investments, LLC, and the assumed names he used to take money: Privvy Investments and Gateway Digital Investments.

According to the complaint, the operation ran from at least October 2022 through the middle of 2024. About one hundred and fifty people. About $12.3 million.

Read those numbers slowly. They are not large for a fraud case. They are very large for one hundred and fifty households.

The pitch, as the SEC describes it, was a story about a machine. Fuller told investors he had built proprietary AI-based trading bots. These bots, he said, ran high-frequency arbitrage on crypto markets. Arbitrage is the boring word for buying something on one exchange where it is cheaper and selling it on another where it is more expensive in the same second. It is a real strategy. Real firms run it. They run it with infrastructure that costs millions of dollars and they earn small margins at enormous volume.

Fuller did not promise small margins.

He promised, according to the complaint, more than forty to fifty percent in thirty to forty-five days. To some investors, he promised more than one hundred percent in as little as twenty-one days. Guaranteed.

There is no arbitrage strategy on earth that returns one hundred percent in twenty-one days guaranteed. There is no anything that does that. The number is not a yield. The number is a confession that the speaker is not describing an investment.

II.

The bot was the costume.

That is the frame to hold in your head while reading the rest of this. Every part of what Fuller is alleged to have built was a costume on a wire transfer. The AI was a costume. The arbitrage was a costume. The surety bond was a costume. The FDIC language was a costume. The "Gateway Digital Investments" name was a costume on top of "Privvy Investments," which was itself a costume on top of Nathan Fuller's personal accounts.

Underneath the costume, according to the SEC, there were two pipes.

The first pipe ran to Fuller's personal expenses. The complaint puts that pipe at approximately $6.2 million.

The second pipe ran back to earlier investors. The complaint puts that pipe at approximately $5.5 million. This is the structure that has a name. It is the structure Charles Ponzi gave his name to in 1920 and it has not changed since. You pay the old investors with the new investors' money. The old investors tell their friends. The friends become the new investors. The forklift operator in the church parking lot shows somebody a screenshot.

Add the pipes. $6.2 million and $5.5 million. That is $11.7 million of $12.3 million. The complaint does not allege the bot ever traded in any meaningful sense. It alleges the bot did not function as represented.

The bot was the alibi. The wire was the whole machine.

III.

Marcos did not know any of this on the Tuesday he wired the money. He knew what the dashboard showed him when he logged in on Wednesday.

The dashboard showed gains.

This is the part of the machine that civilians do not understand until they have lived inside one. The dashboard is the easiest part to build. A dashboard is a webpage. A webpage can display any number a person chooses to type into it. Marcos's account, on the screen, showed his eighty thousand dollars becoming eighty-three thousand, then eighty-seven, then ninety-one. He took a screenshot. He sent it to his friend from church. His friend sent back three flame emojis.

The dashboard is what people mean when they say the fraud felt real. The dashboard always feels real. The dashboard is the part the operator wants you to look at. The wire is the part you are not supposed to think about after it leaves.

Marcos thought about the wire once. In April, six months in, he asked to take out twenty thousand. The money arrived in his account four days later. He told his wife. She exhaled. He sent another forty thousand the following week.

That is how the Ponzi pipe works from the inside. The withdrawal that proves it is real is the withdrawal that funds the next deposit. The forty thousand he sent in was money from someone he had never met, routed through a man in Cypress, dressed up as profit, sent back to him, and then sent back in larger.

The SEC alleges this is the structure. The complaint frames it in the dry language of federal pleading: violations of Sections 5(a), 5(c), and 17(a) of the Securities Act of 1933 and Section 10(b) and Rule 10b-5 of the Exchange Act of 1934. Those are the statutes that say you cannot sell securities without registering them and you cannot lie about what you are selling.

IV.

The "AI" part of the pitch deserves its own paragraph because it is the part that is going to keep happening.

In 2022 and 2023 and 2024, the phrase "AI-powered" became to investment fraud what "blockchain" was in 2017 and what "internet" was in 1999. It is a word you put in front of something boring to make it sound like the future. The SEC has a term for it. They call it AI washing. They have already settled cases against registered investment advisers for AI washing. They charged Delphia and Global Predictions in March 2024 for making false claims about their AI capabilities. The penalties were $400,000 combined.

The AI claim is attractive to fraud operators for a specific reason. It is unfalsifiable to the retail investor. You cannot ask to see the bot. You cannot read the model weights. You cannot test the strategy. The operator can wave at a black box and call it intelligence, and the investor, who has been told by every newspaper for two years that AI is about to change everything, nods.

Marcos nodded. He nodded in the parking lot. He nodded at the kitchen table. He nodded when the dashboard showed gains, because of course the bot was working. The bot was AI.

There was no bot.

V.

The SEC filed in Houston. That is the same federal district that handled the Caleb Ward case, the Geosyn Mining founder convicted by a federal jury in November 2025 for a separate crypto mining fraud. Different machine. Same district. Same buzzwords stapled to the same wire transfers.

Pattern recognition is the only defense the retail investor has left. Read the Fuller complaint and the Ward conviction side by side and you will see the same six tells.

Returns that are not returns. They are confessions.

Insurance language that does not survive a phone call to the FDIC.

A proprietary technology nobody is allowed to inspect.

A withdrawal that works once, to prove the system is real.

A friend who is not lying, who got their money out, who is going to lose more money later.

A federal complaint, eventually, in a district court somewhere in Texas.

VI.

Marcos found out on a Friday afternoon. Not from a letter. From a Google alert he had set up months earlier on the word Privvy, when his daughter, who works in IT, made him set it up. He had forgotten about the alert. The alert came in at 3:47 PM. He was in the truck, in the refinery parking lot, about to drive home.

He read the SEC press release in the cab of the truck with the engine running.

He did not call his wife. He did not call his friend from church. He sat in the cab with the AC on and watched the numbers on the dashboard of his own life recalculate. The pension. The two years. The granddaughter who was starting at Sam Houston in the fall. The down payment he had been planning to give his son in October.

Two hundred and twenty thousand dollars. That is what he had sent, in pieces, over fourteen months. The dashboard, the last time he had checked it, said three hundred and ninety-one thousand.

He thought about the friend from church. He thought about how he was going to have to tell his wife. He thought about whether he was going to keep going to that church.

That part may be the saddest. The friend was not the predator. The friend was a forklift operator who got a screenshot and believed it and shared it because that is what people who love their friends do. The friend lost money too. The friend showed Marcos the door, and Marcos walked through it, and the door was painted to look like a bank.

VII.

The SEC's case against Nathan Fuller is a civil complaint. He has not been convicted of anything. The allegations are allegations. He is entitled to a defense, and that defense will be heard in the Southern District of Texas in the months to come.

What is not in question is the shape of the machine. The shape is in the filing. The shape has been in filings since 1920. The vocabulary changes. In 1920 it was international postal reply coupons. In 1999 it was internet stocks. In 2017 it was tokens. In 2026 it is AI-powered arbitrage bots. The pipes underneath have not been redesigned. They do not need to be redesigned. They work.

Marcos sat in the truck for twenty more minutes. Then he drove home.

The bot was the costume. The wire was the work. The kitchen table is still in the kitchen.

Evidence Trail
  1. SEC Litigation Release | May 28, 2026 | SEC v. Nathan Fuller and Privvy Investments, LLC, U.S. District Court for the Southern District of Texas
  2. SEC Complaint | May 28, 2026 | charges under Securities Act §§5(a), 5(c), 17(a); Exchange Act §10(b); Rule 10b-5
  3. Seeking Alpha | May 29, 2026 | "SEC charges Texas man in multimillion-dollar AI crypto asset fraud"
  4. DOJ / U.S. Attorney SDTX | November 17, 2025 | United States v. Caleb Ward (Geosyn Mining) jury verdict
  5. SEC Press Release | April 2024 | SEC v. Geosyn Mining, LLC, Caleb Ward, Jeremy McNutt
  6. SEC Press Release | March 18, 2024 | Settled charges against Delphia (USA) Inc. and Global Predictions Inc. for "AI washing"
  7. SEC Division of Enforcement Annual Report | FY 2024 | $8.2B in financial remedies
  8. FBI Internet Crime Complaint Center (IC3) | 2023 Report | crypto-related fraud losses
— Mark Tell, Editor

Editorial Notice

MarkTell is a true crime publication about financial fraud. Some scenes, dialogue, and sequential details are reconstructed from court filings, enforcement actions, news reports, and public records. Where the public record does not provide exact details, editorial reconstruction is used to convey the documented pattern of events. Names of private individuals may be changed to protect identity. All factual claims are sourced to public documents cited in the Evidence Trail above. MarkTell does not provide investment, legal, or financial advice. Nothing published here constitutes a recommendation to buy, sell, or avoid any investment. Allegations described in active cases have not been adjudicated and defendants are presumed innocent until proven guilty. Readers should conduct their own due diligence before making financial decisions.