As the popularity of the cryptocurrency market rises, investment fraud cases are spreading globally at an annual growth rate of 30%. The security team of WEEX Exchange has monitored and found that in 2023, fraud related to virtual assets caused losses exceeding $17.8 billion, with new types of crimes such as 'pig butchering' and 'fake exchanges' accounting for 67%. This article deeply analyzes eight common fraud tactics and provides practical response guidelines to help you protect your asset security while effectively using blockchain technology to achieve wealth appreciation.