Polymarket atualiza perdas por hack para US$ 3,1 milhões

Hackers roubaram cerca de US$ 3,1 milhões em tokens PUSD de 11 carteiras de usuários na plataforma de apostas. O roubo ocorreu após um ataque de phishing que explorou um fornecedor terceirizado comprometido.

A empresa de inteligência blockchain AMLBot informou no sábado que os fundos foram retirados da rede Polygon e transferidos para a Ethereum. A Polymarket afirmou que o ataque ocorreu após a injeção de um script malicioso em seu front-end para alguns usuários. A empresa prometeu reembolsos integrais aos detentores de PUSD afetados. Declarou ainda que conteve o problema e removeu a dependência afetada. Separadamente, o senador republicano John Curtis e o senador democrata Adam Schiff instaram a CFTC a investigar a Polymarket. O pedido seguiu relatos de que a plataforma pagou influenciadores para criar vídeos de apostas falsas. A Polymarket enfrentou incidentes de segurança anteriores, incluindo uma suspeita de invasão em março e o comprometimento de seu canal no Discord em dezembro.

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Illustration of a hacked Polymarket wallet showing $520,000 being drained on the Polygon blockchain.
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A private key compromise led to a drain of more than $520,000 from a Polymarket-linked wallet on the Polygon blockchain on May 22. The prediction market platform confirmed that user funds and core contracts remained unaffected.

Polymarket funded dozens of social media creators to post videos of simulated bets on cloned websites, according to a Wall Street Journal investigation. The promotion aimed to attract users to its prediction market platform despite US restrictions.

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Federal authorities charged a Google software engineer in late May with insider trading after he allegedly won $1.2 million betting on Polymarket. The case is one of several recent incidents raising concerns about the use of nonpublic information on prediction platforms.

Indonesia has blocked access to the crypto prediction market Polymarket after classifying the platform as illegal online gambling under local law.

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Thorchain confirmed a suspected multichain exploit on May 15 that drained about $10 million from users across several networks. The protocol activated emergency halts and has now launched a recovery portal for affected wallets.

A 38-year-old U.S. Army Special Forces soldier who participated in the capture of Venezuelan leader Nicolás Maduro faces federal charges for using classified details from the operation to place winning bets on Polymarket. Gannon Ken Van Dyke allegedly turned $33,000 in wagers into $409,000 in profit. Prosecutors described the actions as insider trading.

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