As nonfungible tokens (NFTs) became more popular, bad actors who constantly try to exploit users within the space have become more active. Now, a new hack involving a feature on the NFT marketplace OpenSea threatens NFT holders through phishing sites. In an announcement, anti-theft project Harpie warned NFT users of a new hack involving gasless sales on the OpenSea platform. According to Harpie, hackers were able to steal millions in digital assets by exploiting the feature. When users want to conduct gasless sales within the OpenSea platform, they are required to approve a signature request with an unreadable message. With this feature, users are also able to allowed to create private auctions with unreadable signatures. Hackers have been able to steal NFTs like magic with a little-...