警惕！这是专门针对卖家的骗局

Core Viewpoint - The article highlights a case of online fraud involving a woman who lost 25,000 yuan while trying to sell a yoga card on a second-hand platform, emphasizing the need for vigilance in online transactions [1][2]. Group 1: Incident Overview - A woman named Ms. Lu from Huzhou reported a loss of 25,000 yuan after attempting to sell a yoga card online [1]. - The yoga card, originally priced at 2,800 yuan, was sold for 2,600 yuan, but the buyer manipulated the situation to extract additional payments from Ms. Lu [1][2]. Group 2: Fraud Mechanism - After negotiating the price, the buyer added Ms. Lu on QQ and initiated a voice call, questioning whether she had activated "product authorization" [2]. - The buyer sent a screenshot indicating that the order was frozen and instructed Ms. Lu to scan a QR code to contact "online customer service" for authorization [2]. - Under pressure and lacking knowledge of the platform's rules, Ms. Lu transferred money to five different accounts, believing it was necessary to unlock her funds [2]. Group 3: Warning and Advice - The article stresses the importance of sellers being cautious in online transactions, advising against trusting unfamiliar information and moving transactions off the platform [3]. - It recommends verifying customer service accounts through official channels and stopping transactions if asked to pay fees for account unlocking [3].