Polymarket denies data breach, says hacker is selling public data

The apparent hacker claimed to have breached other prediction markets and planned to release the data in the next few days.

Prediction markets platform Polymarket has denied recent reports that its customer data was breached after a hacker on the dark web posted what the person claimed was a trove of private user details.

Cybersecurity company Vecert Analyzer and several other X accounts that track dark web activity shared screenshots from DarkForums on Tuesday showing a hacker using the pseudonym “xorcat” claiming to have breached Polymarket.

In the post, xorcat said they had stolen over 300,000 records, including 10,000 unique user profiles with full names, profile images, proxy wallets and base addresses. 

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