New Wallet "Roeyha2026" Gains $96.8K on Iran Strike Prediction Bet

Polymarket Profit-Making Manipulation Scandal! Vitalik: Should Require Use of 3 or More Independent Sources

Vitalik Buterin made comments on April 23 regarding the Polymarket platform fan controller manipulation incident, saying that for this kind of event, prediction markets should be required to use at least 3 (or even more) independent sources’ medians as the basis for adjudication. Earlier, a user used a fan to raise the temperature data collected at a Paris weather sensing terminal, manipulated the outcome of a weather-related prediction market event, and profited about $34,000.

Jupiter launches a Telegram prediction market bot, adds Clans team-building feature

According to SolanaFloor’s April 23 report, the Solana-based decentralized trading aggregation platform Jupiter has officially launched the Jupiter Prediction Bot, bringing prediction market functionality to the Telegram platform so users can access prediction markets without leaving their messaging app.

Profitable Trader Bets $34K Against U.S. Military Intervention in Iran on Polymarket

Gate News message, April 23 — A high-performing trader (ID: Car, address: 0x7c3db723f1d4d8cb9c550095203b686cb11e5c6b) with over $1.25 million in lifetime profits has accumulated approximately $34,000 in "No" positions on Polymarket's "Will the U.S. invade Iran before 2027?" prediction market,

Polymarket User Profits $34K by Manipulating Paris Airport Weather Sensor

A user made about $34,000 on Polymarket by tampering with a Paris CDG temperature sensor to inflate readings, affecting weather contracts settled with Météo France; two manipulation events on April 6 and 15; charges filed. A trader earned roughly $34,000 on Polymarket by artificially boosting a sensor near Paris Charles de Gaulle Airport to spike a day's high temperature, exploiting mispriced weather options. Polymarket's weather settlements relied on Météo France data; the incidents occurred on April 6 and April 15, and Météo France has pressed market-manipulation charges.

Kalshi trading volume surpasses Polymarket as two major prediction markets move into sustainability futures

According to a Bloomberg report dated April 23, Polymarket—long a dominant force in predicting-market trading volume—has been facing multiple operational challenges. Dune Analytics data shows that Polymarket’s global trading volume has been surpassed by Kalshi; on valuation, after Kalshi announced a new round of funding last month, it reached $22 billion. The two prediction markets simultaneously announced plans to enter the perpetual futures market in April.

A Frenchman “manipulated” Paris weather sensors, earning $34,000 in Polymarket profits

According to disclosures by the crypto community account @aaronjmars on April 23 on the X platform, and subsequent reporting by Le Monde and BFMTV, a man allegedly tampered with the automated weather sensors at Paris Charles de Gaulle Airport (CDG) with portable heating devices on April 6 and April 15, respectively, generating cumulative profits of about $34k from weather betting markets on the prediction market platform Polymarket.