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Polymarket Halts Trading After $2.7M Vendor Hack

By Drooid · Oct 29, 2026 · How we work

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A United Kingdom-based third-party vendor breach forced Polymarket to halt trading on its international platform.
Polymarket paused trading for about one hour and resumed at 3 p.m. ET Thursday.
Blockchain analysts estimate roughly $2.7 million in crypto was stolen from about 700 users.
Polymarket said it will fully reimburse any traders impacted by the hack.
The company reported the incident to British law-enforcement authorities and noted U.S. users were unaffected.

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A United Kingdom-based third-party vendor breach forced Polymarket to halt trading on its international platform.
Polymarket paused trading for about one hour and resumed at 3 p.m. ET Thursday.
Blockchain analysts estimate roughly $2.7 million in crypto was stolen from about 700 users.
Polymarket said it will fully reimburse any traders impacted by the hack.
The company reported the incident to British law-enforcement authorities and noted U.S. users were unaffected.