# FTX (2022) - The Exchange Wasn't DeFi After All

By [Lista DAO](https://blog.lista.org) · 2026-08-12

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It rained the day Moolah told us about FTX.

Not heavily. Not the kind of spring downpour that drives everyone indoors. A slow, fine, almost uncommitted rain that fell at an angle and made the streets darker than usual without quite making them wet. The kind of rain that you walk through without bothering to open an umbrella, because you know it will stop in twenty minutes anyway. The kind of rain that, in Tokyo, falls in late April when the cherry season is over and the wisteria is just beginning.

We did not meet at the bench. Or the kissaten. Or the bar in Yanaka.

Moolah had asked for somewhere quiet, with a roof, where we could sit for a long time without being bothered. She had picked a small reading room above an old bookstore in Jimbocho - a place I had walked past for years without ever noticing the door, two flights up a narrow staircase, where an elderly couple ran a kind of unofficial cafe-library that served terrible coffee and excellent silence. There were perhaps a dozen seats, all occupied by quiet readers. Moolah climbed onto a chair at a small wooden table by the window. Dev and I sat across from her. The proprietor brought three small cups of something hot, looked at Moolah for a long moment with an expression I could not read, and said nothing.

"I want to be careful with this story," Moolah said. "More careful than I have been with the others. Because this one is not, technically, a DeFi story. And I do not want to add to the gloating that surrounded it at the time. Many people who lost a great deal in 2022 lost it on FTX. Many of them did not deserve what happened to them. I want to tell you what happened, what it teaches us, and why it belongs in this series despite not being, strictly speaking, about decentralized finance. Try to listen with care."

The rain ticked softly against the window.

"Do you know what FTX was?" she asked.

"A crypto exchange," Dev said. "It collapsed. The CEO went to jail."

"That is the headline. It is not the story. FTX was a centralized cryptocurrency exchange founded in 2019 by a young man named Sam Bankman-Fried. By 2022 it had become one of the three or four largest exchanges in the world, with over a million users, billions of dollars in customer deposits, and a position of unusual cultural prominence. The CEO appeared on magazine covers. He testified before Congress. He sponsored the Miami Heat arena. He was, in the press, frequently described as the J. P. Morgan of crypto - a steady, ethical figure who would help bring the industry to maturity. He gave large sums to political campaigns and to philanthropic causes. He was thirty years old. By the standards of any era, he was a phenomenon."

"And then?"

"And then, in November of 2022, in the course of a single week, FTX collapsed entirely. The exchange filed for bankruptcy. The CEO was arrested. Customer deposits - billions of dollars of them - were found to be missing. The unwinding revealed a pattern of fraud that has, since, been the subject of multiple criminal trials and an enormous amount of journalism. The CEO is now serving a long prison sentence. The exchange is in the process of being liquidated. Many customers will eventually receive most of their funds back, after years of legal proceedings. Many will not. Many of those who will, will not see them for a long time. And the larger industry, which had used FTX as one of its primary trading venues, was knocked into a recession that lasted for over a year."

"What did he actually do?"

Moolah took a small sip of the hot drink in front of her - barley tea, again, I noticed.

"What he did is technically simple to describe, and morally enormous. FTX held customer deposits - when you put your dollars or your bitcoin onto the exchange to trade, the exchange held those funds on your behalf. This is, of course, the standard arrangement at any centralized exchange. You trust the exchange to hold your money safely while you trade. The exchange is, in this respect, no different from a bank. You give them your money. They keep it. You can take it back when you want."

"And he didn't keep it."

"He did not. FTX, through its sister company Alameda Research, was using customer deposits to fund speculative trading and various other activities, in clear violation of the terms of service that customers had agreed to and the basic legal duties that any custodian holds toward their depositors. The deposits were not segregated from the company's own funds. When they couldn't be consistently profitable, their losses accumulated. Rather than admitting the losses, the company continued to use customer funds to cover them, hoping that markets would turn and the gap could be closed before anyone noticed. The gap grew. By the time of the collapse, FTX had a hole in its balance sheet of approximately eight billion dollars. Customer money had been spent. There was, when the music stopped, simply not enough left."

"How did it come out?"

"In a particularly modern way. A journalist at a crypto news site, a publication called CoinDesk, obtained a leaked balance sheet from Alameda Research that showed an unusually large portion of the company's assets were denominated in FTT - FTX's own internal exchange token. This was strange. A trading firm holding most of its assets in a token issued by the exchange it was affiliated with raised obvious questions about whether those assets were really worth what the firm claimed. The story ran. The crypto world read it carefully. A rival exchange - Binance, the largest in the world - announced that it would liquidate its substantial holdings of FTT. The price of FTT began to fall. Other large holders, sensing the direction, began selling. The price fell further. The collateral underlying many of FTX's positions evaporated."

"A bank run."

"A bank run. Customers, watching FTT collapse, began withdrawing their deposits from FTX itself, sensing - correctly - that something was wrong. Within forty-eight hours of the article's publication, withdrawal requests far exceeded the cash FTX had on hand. The exchange paused withdrawals. The pause confirmed every fear. The next morning, FTX filed for bankruptcy. Customers who had pressed the withdrawal button six hours too late discovered that their funds were inaccessible. Many of them are still inaccessible, several years later, though the bankruptcy estate is in the process of returning what it can."

The rain had picked up slightly. The reading room was very quiet. The other patrons had not looked up.

"Why is this in our series?" I asked. "If it wasn't DeFi?"

"Because it is the most important story I can tell you about why DeFi exists at all."

She set the cup down.

"Remember the very first thing I taught you, in Episode Two. The phrase. _Not your keys -_"

"Not your coins."

"Say it again."

"Not your keys, not your coins."

"This is what that means. The customers of FTX did not hold their own keys. They held an account on an exchange. Their balances were entries in FTX's database. They could log in and see their balance. They could trade. They could request a withdrawal. But the actual money - the actual coins - were in addresses controlled by FTX. Whose keys were in the hands of FTX's executives. Who could, at any time, do whatever they wanted with those funds, with no public visibility, no on-chain accountability, no recourse for the customers if anything went wrong. The customers had been told, repeatedly, that the exchange held their funds safely. They believed that. The belief was the product. The belief was what was sold."

"And the belief was wrong."

"Very much so. The funds were not safely held. They had been spent. By the time the customers wanted them back, they were gone. There is a phrase in financial regulation for what FTX did: _commingling_. Mixing customer funds with the firm's own money, in a way that makes them indistinguishable, so that when the firm spends one, it is impossible to tell whose money was spent. It is, in every regulated jurisdiction, illegal. FTX had positioned itself in jurisdictions where the rules were less strict, but the underlying behavior is, in any moral sense, the same: it was the act of treating other people's money as your own. There is a long history of this kind of theft, going back centuries. It has many names. The mechanics rarely change."

"And DeFi?"

"DeFi, by its nature, makes this kind of theft impossible at the protocol level. When you use a decentralized exchange - like the swap I had Priya try, in Episode Eight - your funds are in your wallet, on the blockchain, visible to anyone, controlled by your keys. There is no commingling because there is no custodian or account. The protocol does not hold your money - it holds liquidity that you can interact with. The exchange could shut down tomorrow and your funds would be unaffected. The exchange does not have your money. _That is the entire reason DeFi exists._"

She tapped the table once.

"FTX is a DeFi story not because FTX was DeFi, but because FTX is the _example_ that justifies DeFi's existence. Every argument the industry has made, for the last decade, about why decentralized custody matters - was vindicated, painfully, in November of 2022. The customers who had moved their funds onto exchanges to trade them were the ones who lost. The customers who held their funds in their own wallets were the ones who did not. The boring people who repeated _not your keys, not your coins_ like a mantra, the people who had been mocked for paranoia for years - were correct. Spectacularly, painfully, expensively correct."

I wrote in the notebook. _FTX collapse - November 2022. ~$8B customer funds missing. CEO convicted of fraud. Centralized exchange used customer deposits for own trading. The DeFi alternative: custody-free protocols. Not your keys, not your coins._

"Did anything good come out of this?" Dev asked.

"Several things. The collapse forced a major reckoning across the industry. Other centralized exchanges - the surviving ones - adopted _proof-of-reserves_ systems, which use cryptographic methods to publicly demonstrate that they hold customer funds in their reported amounts. Hardware wallets - the kind we will talk about properly in Episode Twenty-Seven - saw a surge in adoption as users decided to take custody of their own keys. DeFi protocols, ironically, saw an increase in usage even as the broader market was suffering, because they offered the one thing the centralized world had just demonstrated it could not reliably offer: actual custody of one's own funds. The lessons, as they always do, were learned by the industry the hard way. They will, of course, be forgotten in a generation. They always are. The next collapse will involve people who never learned them."

"And the people who lost?"

"Will get most of their money back, eventually. The bankruptcy proceedings have been unusually successful, partly because the underlying assets recovered in value during the long delay, partly because the bankruptcy estate has been managed with unusual competence. Most customers will receive their full claim, plus some interest, when the proceedings finally close. Some have already received partial payments. But this took years. People had to live, for years, without access to money that was theirs. People made financial decisions, took out loans, missed payments, lost jobs, suffered, while their assets were tied up in court. The eventual recovery does not undo what they lived through. The years are not refundable. The marriages that ended over the stress are not restored. The opportunities missed are not given back. The recovery is a partial healing, not a reversal. That, too, is part of the story."

The rain was steady now against the window. The reading room was nearly empty - a few patrons had left while we were talking. The proprietor refilled our cups silently.

"Moolah," I said. "Was there anyone you knew?"

She was quiet for a long moment.

"I knew several people who had funds on FTX. Most of them recovered, eventually. One of them - a developer I had been corresponding with for some years, who had been using FTX as her primary trading venue because she trusted the founder publicly - did not. Not in the financial sense, exactly; she got most of her money back. But she had built her professional life around the idea that this industry could grow into something legitimate, that the worst behaviors of traditional finance would be left behind, that the founders of the next generation would be different. The collapse, for her, was less about the money than about the hypothesis. The hypothesis was disproven publicly, in the most spectacular possible way, by the person she had most believed would prove it. She did not stop working in the industry, but she stopped trusting it. Every project she has worked on since has been built with a different attitude. A wariness she did not have before. I think it was an improvement, in the long run. I also think it was a loss. The version of her that believed was a better version. The version of her that knows is a more careful one. We do not always get to keep both."

I closed the notebook. I did not feel like writing anything else.

Outside the window, the rain was beginning to lighten. A patch of pale sky was visible above the buildings across the street. The wisteria along a wall would, in another week, begin to flower. The world continued.

"There is one more story in this section," Moolah said, very quietly. "And then we can stop. The last one is shorter, and it is more technical, and it does not involve people losing their savings. It involves a bug in a tool that everyone trusted. After that we will move on. We will talk about how to live in this industry, given everything you now know. How to protect yourself. What to expect from regulators. Where DeFi is going. How to be useful inside something that has hurt people. We have one more disaster, and then we can rest."

"Same place next week?" Dev asked.

"No," Moolah said. "I want to go back to the bench. The weather is warming. The wisteria will be in. I have been telling these stories indoors. The last one, I want to tell outside. Where things grow."

She slipped off the chair and walked to the door. The proprietor opened it for her without saying anything. She paused on the threshold and looked back at us once. The light caught her, briefly, before she turned the corner of the staircase and was gone.

The rain had nearly stopped. We sat for a few more minutes before standing up to leave. The proprietor refused our payment. Some things, he said in three soft words, are not for paying.

  

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_Next: The Re-entrancy Weekend (Curve, 2023) - A Bug in the Translator_

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*Originally published on [Lista DAO](https://blog.lista.org/ftx-2022-the-exchange-wasnt-defi-after-all)*
