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Polymarket Faces Security Breach Linked to Third-Party Login Tool

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by Li Weicheng

15 hours ago


Polymarket, a prominent prediction market platform, has announced a security breach that has raised concerns among its users. The incident, which took place on December 23, 2025, was linked to a vulnerability in a third-party authentication provider, affecting a limited number of accounts and resulting in losses of USDC balances. The source reports that the platform is taking immediate steps to enhance its security measures and protect user funds.

Connection to Magic Labs

The breach is reportedly connected to Magic Labs, the service Polymarket employs for passwordless logins. In response to the incident, Polymarket has stressed the importance of implementing enhanced security measures, including the introduction of two-factor authentication to safeguard user accounts against future threats.

User Concerns on Privacy and Security

Users have voiced their apprehensions regarding privacy and data security on decentralized platforms, underscoring the persistent challenges faced in maintaining security within decentralized finance (DeFi) environments. The need for robust security protocols becomes increasingly critical to protect user assets and maintain trust in these innovative financial systems.

In light of recent security concerns at Polymarket, the focus shifts to Polygon, which is addressing Ethereum's scalability issues with promising developments. For more details, see Polygon's growth.

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