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Polymarket halts trading after ‘security incident’ siphons $2.65 million in minutes

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Cite

Carter, C. (2026, October 29). Polymarket halts trading after ‘security incident’ siphons $2.65 million in minutes. Washington Examiner. https://www.washingtonexaminer.com/policy/technology/4785092/polymarket-uk-platform-debugbear-hacked-trading-security-incident/

Dated from the outlet's own feed. Check the original for its byline.

Washington Examiner · collected 2026-10-29 · by Claire Carter

Quick Summary

Polymarket, a prediction market platform, stopped all trading on Thursday after experiencing a security incident that resulted in $2.65 million being stolen from users' wallets in just minutes. The company stated that the issue stemmed from a compromise at a third-party service provider and impacted its international platform exclusively.
Written by AI on 2026-10-29, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

On October 29, 2026, Polymarket halted trading on its international platform for nearly an hour due to a security incident involving a compromised third-party provider. While Polymarket did not confirm user losses, it stated that anyone impacted would be fully reimbursed. The crypto news website The Block, citing data from blockchain analysis group Arkham, reported that approximately $2.65 million in cryptocurrencies had been siphoned from the platform. Trading resumed around 3 p.m. ET after Polymarket fixed the issue and assured affected traders they would be made whole. The company referred the incident to relevant law enforcement agencies.

Written for “Polymarket Halts Trading Due to Security Issue” on 2026-11-04, grounded in this article and the 3 other(s) covering the same event.

Story

📰 Polymarket Halts Trading Due to Security Issue
Technology · 4 article(s) covering the same event. Compare every outlet's account →

Compared with similar articles

This article reads unscored and hedges 0% of its claims. Each row says how that neighbour differs.
Polymarket trading halted after vendor compromise; impacted users will be ‘made whole’ Same event
NBC News
Hedges 2 of 16 claims Outlet record 78/100
Polymarket paused international trading after a security issue involving a third-party provider Same event
Toronto Star
Hedges 0 of 3 claims Outlet record 64/100
Polymarket temporarily suspends trading on international platform due to security incident Same event
The Guardian
Hedges 0 of 12 claims Outlet record 66/100
Feds probe whether Polymarket violated 2022 deal to block US traders: report Different event
New York Post
Hedges 2 of 26 claims Outlet record 66/100
“Article A discusses federal scrutiny over Polymarket's compliance with a settlement to block US traders, while Article B reports on a security incident that led to funds being stolen from users' wallets.”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
2
sentences that state something as happening or true
Uncertain
0%
0 of 2 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
69/100
Washington Examiner's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
4
Technology
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-10-29 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

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Running correction rate · 8 correction(s)
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Who wrote this

Claire Carter
132 article(s) here · 0 carrying a prediction
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Also by Claire Carter
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Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 132 articles by Claire Carter →

Topics

Polymarket

Subjects

Polymarket ORG · 2×

Narrative

Prediction market Polymarket paused all trading on Thursday due to a “security incident” that led to $2.65 million being swiped from users’ wallets within minutes.
framing: assertive · carried by 1 article(s) · first seen 2026-10-29
2026-10-29 · Washington Examiner
Polymarket halts trading after ‘security incident’ siphons $2.65 million in minutes · assertive framing

Claims (2 extracted, 0 hedged)

Prediction market Polymarket paused all trading on Thursday due to a “security incident” that led to $2.65 million being swiped from users’ wallets within minutes. asserted
million → pause → minutes
Polymarket said in a statement the halt in trading affected its international platform and was the result of a third-party provider being “compromised.” asserted
provider → say → platform
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