A hairdryer was allegedly used to rig Polymarket bets on the weather at Charles de Gaulle airport in Paris, according to a report by The Telegraph. French authorities note that the official temperature readings at the airport spiked twice in the past month, reaching levels much higher than expected. On both occasions, gamblers on Polymarket appear to have walked away with thousands upon thousands of dollars by betting on those temperature fluctuations.The gambling site relies on readings from temperature sensors, and the one at Charles de Gaulle airport is on a public road. This makes it easy to access. The operating theory is that someone snuck in and used a battery-powered hairdryer to bring the recorded temperature up well beyond the actual heat outside.Meanwhile, the Polymarket page indicated less than a one percent chance of the airport exceeding a particular temperature. Successful bets on these fluctuations netted an unknown user around $34,000.

Although it's one of the more inoffensive topics on Polymarket, this news typifies the Wild West of prediction markets and betting sites. A hairdryer was allegedly used to rig Polymarket bets on temperatures at Charles de Gaulle Airport in Paris, according to a report by The Telegraph. French authorities noted that the official temperature readings at the airport spiked twice in the past month. On both occasions, gamblers betting on those temperature fluctuations on Polymarket appear to have walked away with thousands upon thousands of dollars.There is no indication that Polymarket forced anyone to return winnings, but the temperature sensor has been moved to a new location. The site is also still running bets on the daily temperature in and around Paris.In a more serious development, a US soldier was arrested for allegedly making over $400,000 on Polymarket using information he had about the plans to capture the former Venezuelan president, Nicolas Maduro.Gannon Ken Van Dyke was arrested and charged with using classified military information to place bets on the prediction marketplace Polymarket. Van Dyke created a Polymarket account around December 26, 2025, and made 13 bets related to Maduro from December 27 to January 2.The soldier has also been charged with one count of wire fraud, carrying a maximum penalty of 20 years in prison, and one count of unlawful monetary transaction, carrying a maximum sentence of 10 years. It's a lot heavier than hairdryer shenanigans.- Mat SmithThe other big stories (and deals) this morning