From Minted to Gone: Safeguarding Against NFT Theft
1 Articles
1 Articles
From Minted to Gone: Safeguarding Against NFT Theft
In February 2022, OpenSea, the largest NFT marketplace in the U.S., fell victim to an attack that led to the theft of 254 tokens worth $1.7 million. These attackers exploited each NFT’s smart contract by first signing a partial contract, leaving the general authorization portions blank. Once signed, attackers completed the contract with a call to their own contract, which subsequently transferred them ownership of the NFTs without any payment. A…
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