[Abnormal Polymarket Betting Sparks Investigation into Information Leak by Norwegian Officials] Bloomberg reports that recent abnormal betting activity on the decentralized prediction market Polymarket has drawn the attention of Norwegian officials, prompting relevant authorities to launch an investigation into a potential information leak. Specific details have yet to be disclosed, but such incidents may involve the illegal dissemination or exploitation of sensitive information. Authorities are currently verifying the situation further. Polymarket is a blockchain-based prediction market platform where users can place bets on various events. Its transparency and decentralized nature have garnered significant attention.