The “gasless sales” function of OpenSea served as a crucial weapon for NFT hackers.
Victims are required to sign a harmless contract, similar to a login signature.
The largest NFT marketplace OpenSea users underwent risk due to a new hack involving a feature on the OpenSea through phishing websites. As nonfungible tokens (NFTs) increased in popularity, scammers who frequently attempt to take advantage of users within the NFT market have increased in activity.
OpenSea has a feature called “gasless sales,” which let users sell NFTs through contracts by signing unreadable messages. On December 23, Harpie, the first on-chain firewall to prevent hacks. Alerted NFT users through a tweet about the new attack involving gasless sales.
How the Phishing Website Attracted Users?
Users must approve a signature request with an unreadable message to make gasless sales on the OpenSea platform. Also, users can allow private auctions with unreadable signatures using this feature. However, to
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