投资者避坑宝典：警惕“虚拟迷雾阵”筑牢资金防火墙---虚拟货币特辑

Group 1 - The article discusses various types of virtual currency scams that have emerged, highlighting the deceptive practices used by fraudsters to lure investors [4][5][6]. - It emphasizes the importance of being cautious and not falling for high-return promises associated with virtual currencies, urging individuals to avoid participating in related investment activities [7]. Group 2 - Specific scams mentioned include "airdrop scams," where fraudsters entice investors with free tokens but require them to pay small fees or provide sensitive information, leading to potential asset theft [5]. - Another scam discussed is "cloud mining," where scammers promise returns through fake mining operations, ultimately disappearing with the funds raised [6].