On March 4th, the stablecoin giant Tether announced an investment.

The invested company is called Eight Sleep, which makes smart mattresses. Tether invested $50 million, valuing the company at $1.5 billion.

This company's mattresses are very high-end, priced between $2000 and $4000 each, with a built-in water cooling and heating system that can precisely control temperature, track sleep data, and automatically adjust...

Famous NBA star LeBron James is one of the public users. Its main clientele consists of Silicon Valley executives, professional athletes, and a group of biohackers enthusiastic about treating themselves as experimental subjects.

The issuer of the world's largest stablecoin USDT had a net profit exceeding 10 billion dollars in 2025, is almost completely opaque to outsiders, is not publicly traded, and does not need to explain to any shareholders what it is doing.

Then, he invested 50 million in a mattress company?

Of course, this is not the first strange amount of money. Looking through Tether's investment records over the years, it appears that the mattress may not be the most confusing thing.

Everything must start with the CEO of this company.

The CEO's shopping cart is filled with human sovereignty.

Paolo Ardoino, born in 1984, a person from Genoa, started coding at the age of 8.

He studied computer science in college, stayed on to do research after graduation, focusing on cryptography, with projects for the military. He read the Bitcoin white paper in 2012, joined Bitfinex in 2014, became Tether's CTO in 2017, and was promoted to CEO in 2023.

A reporter from Fortune magazine previously interviewed him in his office and noticed dumbbells and a gym bag on the desk.

This person goes to work every day carrying fitness gear. He is the kind of person who manages his body as a system, tracking, optimizing, and controlling sleep, training, and vital sign data all in his hands.

Then, he extended this logic to everything: money, communications, data, body; he believes that people should have complete sovereignty over everything about themselves.

And he believes:

The U.S. government will eventually collapse.

This is not a joke. Paolo has stated publicly that he does all this not to make money, but to leave people a way out after the system fails.

His exact words were:

"I don't think the best solution is to fix the politics of every country. The best solution is to allow people to form communities freely through technology, where the sense of belonging comes from shared values, rather than geographical location."

Sounds like lines from a science fiction novel. But Paolo is serious. His keynote speech at the BTC Prague 2024 conference was directly titled:

"Built for the apocalypse."

Understanding this, Tether's investment in the mattress company makes sense. Because every item in the company's shopping cart corresponds to an extension of the CEO's worldview, namely bodily data sovereignty.

In 2022, he participated in creating a platform called Holepunch. What this thing does is very simple: it allows people to make calls, send messages, and transfer files without going through any servers. P2P direct connection, the signal goes directly from your device to the other party's device.

You can understand it as sovereignty over communications.

Then there's QVAC. Tether's health platform launched at the end of 2025, which encrypts all your vital sign data—heart rate, sleep, exercise records... all stored on your own device, without uploading to any cloud.

Paolo explained this product by saying: "AI has already been politicized and centralized today; we want to create AI that runs locally on your device, keeping everything about yourself in your hands."

This is about data sovereignty.

Thus, acquiring Eight Sleep, the subsequent mattress connected to QVAC, became a node in the infrastructure of bodily data sovereignty. Your sleep data does not belong to Apple, does not belong to Google, does not belong to any cloud platform.

It's up to you.

In addition, Paolo spent 200 million dollars to acquire a majority stake in the brain-computer interface company Blackrock Neurotech, which may not be because he is optimistic about the brain-computer interface market size, but because he doesn't want this matter to be controlled by others.

Writing to this point, I recall another phrase he said in an interview: "We have earned money that could last for hundreds of years. My greatest fear is wasting this once-in-a-century opportunity."

This statement is hard to evaluate. A person can simultaneously believe that civilization will collapse and believe they have a responsibility to use money to prevent it, or at least, to leave behind a set of infrastructure that can be rebooted after the collapse.

Of course, the premise is that you are Tether, with 10 billion dollars in annual profits, turning investment into an extension of your worldview.

You have to trust Tether first to not trust anyone else.

Paolo's sovereignty philosophy has a premise he never actively mentions.

USDT is the largest circulating stablecoin in the world, with a market value of 183 billion dollars, backed by an equivalent amount of dollar reserves, at least that's what Tether claims.

Where these reserves are kept, who manages them, whether each transaction is real, Tether has never undergone a complete independent audit.

This company is not publicly traded, does not need to disclose to shareholders, and has operated in a regulatory vacuum for over a decade. How this money is calculated, what the balance sheet looks like, outsiders only see the reports released by Tether itself.

Those holding USDT must choose to believe that all of this is real. There are no other options.

This is the subtle part. The CEO has been investing in various companies that build human data sovereignty, appearing to be distracted while constructing a set of infrastructures for "controlling human data sovereignty;"

But this infrastructure itself is built with the money of a company that requires you to trust it unconditionally.

Paolo talks about being "built for the apocalypse," but if the apocalypse really comes, if the dollar system really collapses, what will happen to the 183 billion dollars that USDT's reserves are in U.S. Treasury bonds?

He has never publicly answered this question.

With more money, investing becomes a form of autobiography.

When money reaches a certain level, the investment portfolio becomes a biography of one's worldview.

Elon Musk bought Twitter because he believes that free speech is being stifled by tech platforms; SpaceX exists because he believes that Earth civilization needs a backup. Peter Thiel invested in PayPal because he believes that the government's monopoly on currency is wrong; he invested in Palantir because he believes that the national security system needs to be rebuilt by Silicon Valley.

Bryan Johnson spends millions of dollars each year treating himself as an experiment, aiming to reverse his biological age to 18.

The things these people invest in may seem very random, but the internal logic is consistent:

They are using money to build the world they believe should exist. Returns are secondary and sometimes not even in consideration.

Looking at it this way, Tether's CEO Paolo is not an outlier. It's just that there’s one thing that makes him different from the people mentioned above.

The actual circulation scenarios of USDT are much more complex than Paolo's speech.

Argentinians use it to combat the devaluation of the peso, Nigerians use it for cross-border remittances, and Turks use it to preserve savings during a lira crash. These are real and valuable; when Paolo talks about financial inclusion, he is referring to this group of people.

But USDT is also a tool for evading sanctions, a hub for cross-border money laundering, a settlement currency for dark web transactions, and a payment address for ransomware... this is also true.

Tether addresses have appeared on the U.S. Treasury's sanctions list, and a United Nations report mentioned the scale of USDT's use in Southeast Asian scam areas. Tether has cooperated in freezing some assets, but more had been transferred before the freeze.

The reason this system can achieve a market value of 183 billion and a profit of 10 billion a year is partly because it is sufficiently "neutral." It doesn't ask where the money comes from, nor where it goes.

Then these profits flow into brain-computer interfaces, P2P communications, data sovereignty, bodily sovereignty, and into a set of idealistic infrastructure "built for the apocalypse."

From gray market infrastructure to utopian infrastructure. The same system, the same CEO, the same amount of money.

With more money, investing really becomes a form of autobiography.

Only this autobiography, Paolo has not completely finished writing. There are a few pages he flipped past, making it hard to delve deep.