Software should not be downloaded randomly, and QR codes should not be scanned randomly.

Another brother was scammed out of 1500U by quantitative trading. Here are the details:
The scam method involves packaging a very high trading win rate as quantitative advice to trick novices. The scammer first asks to modify your settings or share the screen in a meeting, then changes the language on the exchange, and then asks you to authorize the API. After that, the coins are transferred away.

Everyone should be cautious and not give their account to others for use.

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