A new report from the research group Anti-Corruption Data Collective (ACDC) identified 556 Polymarket wallets classified as suspected insider traders. The study analyzed nearly 78,500 high-risk, low-probability bets, finding that these accounts—internally dubbed “Orcas”—achieved a success rate exceeding 75% when trading in highly specific and sensitive markets.
The findings have raised regulatory and security alarms due to the concentration of profits in military and defense categories, where successful bets reached 52% compared to the overall average of 14%. According to ACDC, on-chain tracking of these wallets triggers immediate replication by bots and whales, potentially leaking confidential movements and exposing strategic geopolitical information in real time.
Given this scenario, the investigative body concludes that the only effective measure to safeguard market integrity and global security is to ban prediction contracts in high-risk sectors. Stricter scrutiny of decentralized platforms by federal and international agencies is expected to follow.
Source: https://lix.li/jwt3mt
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