Coinbase is pushing back on claims that it doxxed a customer tied to the exchange’s first BTC-backed mortgage.

The dispute started after Coinbase and Better Home & Finance showed a house photo during a June 16 event when Coinbase unveiled 21 new products. In the presentation and related materials, the house was described as tied to the mortgage and linked the owner to holding “a lot of bitcoin (BTC).”

The accusation, and why it matters

A critic reportedly searched public records and claimed to find the buyer’s Zillow listing. That matters because BTC exposure has long attracted criminals, and because ownership on-chain can be transferred without permission once private keys are compromised.

Even if the photo is only a clue, public identification attempts can raise the risk profile for the underlying customer. Protos also notes that the BTC price path has been “parabolic” over 17 years, which increases attention on BTC holders.

What Coinbase says it did

In a statement to Protos, a Coinbase spokesperson said the companies handled disclosure in a way that preserved the homeowner’s privacy.

Coinbase’s spokesperson told Protos that Coinbase and Better received a picture of the house taken by the homeowner. Coinbase says it then removed and changed key identifiers and features to anonymize the house.

Coinbase also says it got express permission to use the altered image in Better’s press release and in Coinbase’s recent showcase.

The altered image is still the customer’s home

Coinbase’s materials used an image that, while modified, is not a random stock photo. Protos reports that captions on the original image described it as the “First home purchased with Better and Coinbase’s BTC-backed mortgage,” and that both Coinbase and Better referenced the same image in the original press release and at the June launch event.

First home purchased with Better and Coinbase’s BTC-backed mortgage,

Protos says it could not determine the house address. Social media users have posted screenshots of AI and Google Earth results, but Protos describes those attempts as unconvincing.

How the mortgage works, in practical terms

The mortgage program is a joint effort between Coinbase and Better Home & Finance Holding Company, a Nasdaq-listed lender run by Vishal Garg. Protos reports the companies announced the home purchase in March as the first bitcoin-backed mortgage designed to conform with GSE requirements.

That structure depends on a regulatory change. Protos says Federal Housing Finance Agency then-Director Bill Pulte ordered Fannie Mae and Freddie Mac to count crypto as a mortgage-qualifying asset in 2025.

Under the program described by Protos, lenders count pledged BTC at roughly 40% of value, which means a 60% haircut. Protos also says USDC gets about 80% credit. Liquidation is triggered only after a borrower goes 60 days delinquent.

Program inputCredit applied (per Protos)HaircutLiquidation timing
Pledged BTC~40%60%After 60 days delinquent
Pledged USDC~80%20%After 60 days delinquent

The regulator backdrop

This isn’t just a marketing kerfuffle. Protos ties the program’s existence to the FHFA instruction for GSE firms to treat crypto as mortgage-qualifying collateral.

That means privacy handling matters even more once mainstream mortgage workflows start incorporating crypto assets. If collateralized crypto expands, so does the pool of potential targets, and publicity around borrowers could create new risks.

For now, Coinbase’s position is straightforward. It says it used an altered image and got permission before publication. Critics, meanwhile, are focused on whether the “anonymized” photo still leaks enough to identify a real person.