Finding Crypto Millionaires in New York Just Got Easier

New York City just published a list of 31,000 homes. It names the streets, the buildings, and the apartment numbers. Crypto founders say it is a map to rich people’s front doors.

The city released the file on July 24. It exists to find second homes that owe a new tax. Officials expected about 10,000 properties. They got three times that.

What New York City Actually Published

The tax started July 1. It targets homes that are not where the owner actually lives.

A condo or co-op lands on the list at $1 million. A house has to be worth $5 million.

That $1 million line matters. It is why the roll holds 24,700 apartments but only 6,800 houses.

State law told the city to name every property that “may be subject” to the tax. It also told the city to identify co-op apartments by street address and unit number.

So the file does not just flag a building. It flags the apartment.

Ben Williams is a property tax lawyer at Rosenberg & Estis. He testified at the city’s hearing on the rules. He told Bloomberg the list is far too broad, and that many homes will come off it on appeal.

Spectrum News NY1 reporter Bernadette Hogan flagged the file, noting that owner names sit in the spreadsheet as well.

Bills go out by August 30. Owners then get 30 days to object. The final list is due December 31.

Crypto Founders Call It a Mass Doxxing

Uniswap founder Hayden Adams searched a few luxury buildings. He found the homes of people he knows. He also found nearly every other unit in those towers.

“Not only were their units listed, but nearly every unit in the entire building was listed. They clearly took an incredibly expansive view of ‘could be’ and just doxxed a huge percentage of all expensive apartments in new york city,” wrote Adams.

That is the law working as written. The city has to list every unit that might owe the tax. At a $1 million threshold, that pulls in whole buildings.

Helius CEO Mert Mumtaz made a narrower point. The data was already public, he said. It was just messy. Now it is clean, sorted, and easy to download.

Castle Island Ventures partner Nic Carter went further. He pointed to the France crypto kidnapping toll, which has climbed all year.

“So this is a list of wealthy people and their addresses. As we’ve seen in France and Sweden this leads to crypto kidnappings torturings and murders. Yes real estate records are semi public but this is an easily searchable database and target list,” Carter stated.

Attack Data Gives the Warning Weight

CertiK counted 52 wrench attacks in the first half of 2026. A wrench attack is simple. Criminals use force or threats to make someone hand over their crypto.

The count was 39 a year earlier. It follows the most violent year recorded for crypto crime.

The sums got much bigger too. Victims faced $124.2 million in the first half of 2026, up from $10.5 million. The average case jumped from $270,000 to $2.39 million.

One number stands out. Home invasions rose from a single case to 20.

But the map does not point at New York. France had 33 of the 52 attacks. Europe had 39. The United States had four. Sweden, which Carter named, had two.

The risk is about method, not place. CertiK calls it “data-driven targeting.” Attackers stitch together leaked databases, property records, and tax files. They build a full profile before they ever knock on a door.

That is not theory. French investigators say a tax office employee sold crypto investor data to criminal networks. The same fear followed new UK tax rules that make exchanges hand over user data.

CertiK now urges regulators to lock down government databases that tie people to crypto and addresses.

New York’s list holds no crypto data at all. What it adds is the address. That only helps someone who already knows you own crypto.

The final roll arrives December 31. How far it falls below 31,000 will show how seriously the city took the warning.

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