"Wallet drainers work by disguising a malicious smart contract approval as a routine transaction, such that when a user connects their wallet and signs what appears to be a deposit, claim, or market entry action, the drainer triggers a hidden separate approval that grants the attacker full access to the wallet's funds."
"ZachXBT specifically highlighted an amplification risk, i.e., a prominent crypto account had replied to a Polyarb post, giving the platform organic reach it would not otherwise achieve."
"Replying to a scam platform's content, even skeptically, pushes that platform in front of the replying user's entire audience, which can number in the millions, with no indication that the source is malicious."
"Fake decentralized finance (DeFi) and prediction market platforms have become an increasingly common attack vector in 2026, exploiting the visibility of legitimate platforms."
Polyarb is identified as a prediction market platform with an active wallet drainer that targets crypto users. The wallet drainer disguises malicious smart contract approvals as routine transactions, allowing attackers to access users' funds. Prominent crypto accounts amplifying Polyarb's reach unknowingly expose their audiences to the scam. This warning follows ZachXBT's previous exposure of a U.S. law firm seeking $71 million in Lazarus-linked frozen funds. The rise of fake DeFi and prediction market platforms has become a common attack vector in 2026.
Read at news.bitcoin.com
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