Friday, April 24, 2026

The Old 'Hair Dryer On The Thermometer' Trick May Have Triggered Polymarket Payouts In France

From EuroNews, April 23:

Hair dryer trick behind €25,000 win? France probes potential weather data scam linked to Polymarke
Officials in France have launched an investigation into the potential compromise of national weather sensors after a series of anomalous temperature readings coincided with betting activity on Polymarket.

Météo-France has initiated an inquiry to determine whether the meteorological infrastructure managed by them was targeted by individuals seeking to influence prediction markets. 

This development follows reports of highly unusual temperature spikes that triggered significant financial payouts on the blockchain-based site Polymarket, where users place wagers on real-world events.

Investigators are examining if the integrity of the national weather network was breached through physical or digital interference, as the precision of the winning bets suggests the actors involved may have had direct control over the reported data....

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