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Old Magic Eden Approvals Left NFTs Vulnerable; Whitehat Rescued 3,832 NFTs

(7 days ago) · 1 source · Summarized by CryptoBipto

A whitehat security researcher moved 3,832 NFTs that were at risk due to lingering token approvals from an older version of the Magic Eden marketplace. Users who had not revoked these approvals were reportedly vulnerable to having their NFTs transferred without their consent. The whitehat intervention appears to have been aimed at protecting the affected assets.

WHY IT MATTERS

When you use an NFT marketplace, you often give it permission to move your NFTs — think of it like giving a store clerk a key to your locker so they can hand your item to a buyer. The problem is that even after you stop using that store, the clerk still has the key unless you take it back. In crypto, this is called a 'token approval,' and revoking it requires a separate action by the user. This incident shows why it is important for crypto users to periodically review and revoke old approvals, especially when platforms update their systems. Tools exist that let users check which contracts still have permission to move their assets, and this event serves as a reminder that managing those permissions is part of staying safe in decentralized finance and NFT trading.

Token approvals are a common mechanism on blockchains like Ethereum and Solana that allow smart contracts to move assets on behalf of a user.

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SOURCES

  • cryptoslate.com

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