linked

Published on
23/04/2026 – 16:10 GMT+2

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

ADVERTISEMENT

ADVERTISEMENT

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.

Online rumors, which remain unverified for the time being, claim the temperature reading was manipulated by someone using a hair dryer to generate a higher temperature.

Polymarket reportedly settles Paris temperature bets on a single Météo-France sensor sitting near the Charles de Gaulle airport perimeter.

On 6 April, the reading from the sensor abruptly rose 4°C in twelve minutes, crossing the 22°C threshold despite data from other sources showing different figures.

A user on Polymarket aggressively bet on readings above 21°C on that specific day, even though the consensus was lower at 18°C, and profited almost €30,000.

A second similar anomaly occurred on 19 April leading to suspicions that the sensor was tampered with.

Météo-France announced that it has filed a complaint with the Roissy air transport gendarmerie brigade “for [the] alteration of the operation of an automated data processing system,” after an analysis of sensor data.

Polymarket suspended its reliance on the compromised weather data source for Paris, shifting its resolution metric from the sensor in Charles de Gaulle airport to the one in Paris-Le Bourget airport.

However, it did not cancel the contracts or refund the bets, leaving the resolved contracts final, even though on previous occasions it has suspended the resolution of certain bets until further clarification on the rules and circumstances.

Decentralised ‘oracles’ and prediction markets

This incident has reignited the debate over the reliability of the “oracles” that feed data to prediction markets in order to settle bets.

In decentralised finance, an oracle is the mechanism that feeds external, real-world information into a smart contract to determine a financial outcome.

Polymarket relies on these feeds to settle its contracts, often pulling data directly from official government websites. If the primary source of that data is corrupted, the betting market lacks any internal mechanism to verify the truth.

Additionally, the decentralised nature of these platforms makes it difficult to freeze assets even if an investigation identifies the individuals behind suspicious trades.

This is the latest case that highlights a new frontier of white-collar crime, where the manipulation of the physical world is used to exploit the vulnerabilities of automated prediction markets in order to win bets on real-world events.

PIANO Man Billy Joel has recorded a special interview to air during Eurovision thanks to his song named after host city Vienna, I can reveal.

Afterwards, Austrian singer Cesar Sampson, who finished third in 2018, will cover the song before the results are revealed.

I’m told there were hopes Billy could fly over to make a surprise appearance at the contest.

But it was ruled out on health grounds.

Billy was diagnosed last May with a rare neurological disorder that can cause issues with hearing, balance and vision, although he is having physical therapy to treat it.

The musician has already cancelled all of his 2026 concerts, including shows in Edinburgh and Liverpool.

GOING BARE

How going knickerless became the new body power move for celebs

brutal snub

Olivia Attwood’s ‘betrayed’ family finally cut ties with ex Brad after cheating

However, he did make a surprise appearance in Florida on January 2.

A source close to the singer, who will turn 77 a week before the final on May 16, said: “Billy has recorded an interview talking about his love for Vienna and his links to the city, which is all tied into his song.

“Organisers originally hoped he could perform but that was ruled out. They will be making a big deal of this very rare interview with him.”

He has sold more than 160million records and is one of the best-selling artists of all time.

Vienna was released in 1977 as the B-side to Just The Way You Are, and is now among his most popular tracks.

Ultravox’s 1980 hit, also called Vienna, is arguably even more popular.

But frontman Midge Ure certainly won’t be there, as he will be in the middle of a UK tour.

The 70th edition of the contest will take place at the Wiener Stadthalle arena after 166million tuned in to see Austrian singer JJ win with Wasted Love last year.

Celine Dion had been in talks to perform at the 2025 event in Switzerland, but it didn’t happen as she continued to battle Stiff Person Syndrome.

I’ll have to keep my fingers crossed that the Eurovision entries themselves provide plenty of entertainment instead.