Bitcoin Price Tracker extension with 50,000 Chrome users listed for $55,650
In brief
- Bitcoin Price Tracker's Chrome Web Store page shows 50,000 users and names Extpose as provider.
- The seller's Sept. 29 ad asks $55,650 for the extension, code and 14 days of handover help.
- CryptoSlate found no completed sale and no link between the product or seller and malware.
- Socket separately documented attackers buying five extensions and pushing malicious updates.
- Microsoft Edge extension transfers take about three weeks and give new owners full update control.
What's on the table
Bitcoin Price Tracker is a simple tool. It shows BTC/USD prices from Binance in the browser toolbar, and its Chrome Web Store page names Extpose as the provider.
The seller's ad adds its own numbers. It reports 37,100 installs between Sept. 14, 2025, and Sept. 13, 2026, and calls the product pre-revenue (pitching a buyer on building financial-information services or relevant partner offers).
Two other ads cover extensions called Page Auto Refresh and Translate. Their audience figures come from dated publisher analytics described by the seller, and since each offer bundles different assets, the asking prices don't set a standard price per user.
Why update control matters
Buying an extension isn't just buying a toolbar icon. It can also hand a new owner control of future updates, and those updates reach people who installed it long before anything changed hands.
There's precedent for that risk (unrelated to this listing). In a separate investigation published in August, security firm Socket documented attackers buying five working extensions from their authors and adding malicious updates. Socket's tracker still labeled that "Superior" campaign ongoing, with its latest recorded activity dated Nov. 6.
CryptoSlate's evidence doesn't link the current sale offers, or this seller, to those cases.
How Edge handles a handover
Microsoft's Edge documentation lays out a fairly formal process. The current owner files a support request, Microsoft reviews it, and both publishers explicitly confirm. It typically takes about three weeks, after which the new owner gets full control over the listing and updates.
Users should know there's a lag, though. Microsoft says changes to the description, screenshots, privacy-policy URL, owner name and website link don't appear automatically when ownership transfers, so the previous owner's information stays visible until the new owner publishes an extension update. Microsoft describes that display lag as part of the Edge transfer process.
The report didn't claim Chrome works the same way.
Frequently asked questions
Is the Bitcoin Price Tracker extension linked to malware?
No. CryptoSlate reported that the sale advertisement doesn't show a completed transaction and doesn't connect the product or its seller to malware. The cited evidence also doesn't link the current sale offers or the seller to the malicious cases Socket documented.
What does a buyer of the extension get?
The $55,650 asking price covers the extension, its code and 14 days of handover assistance, according to the seller's ad as reported by CryptoSlate. Buying the product could also give a new owner control of future updates for people who already installed it.
How does an extension ownership transfer work on Microsoft Edge?
Microsoft's documentation says the current owner files a support request, Microsoft reviews it and both publishers explicitly confirm, which typically takes about three weeks. The new owner then gets full control of the listing and updates. The previous owner's details stay visible until the new owner publishes an update.
