On June 4th, crypto analyst Ning Ning stated on the X platform: "Not long ago, a friend of mine was stolen 50,000 USDT (TRC20) by page hijacking while using OKX wallet. According to the analysis of the security practitioners my friend found, the hacker used page hijacking to replace the" supplementary GAS "of the OKX wallet he used with" update the owner's permission of the TRON account ", fraudulently obtain authorization without perception of the user interface, and then control the victim's TRON account to achieve currency theft. According to the on-chain dynamics, this hacker should be an institutional entity that is still doing evil until today. The number of victims is large. Everyone should be vigilant."