A WeChat message at 2 a.m. yanked me out of my post-trading report. When I opened it, the words from an old follower jolted me awake: "All my coins are gone."

When I picked up the phone, his voice was trembling. A seven-figure sum just vanished before him and his wife, wiped out in minutes. The strangest part was, they hadn't done anything—no confirmation buttons clicked, no verification codes entered, yet the mainstream coins in their wallet simply evaporated.

At first, I thought it was a flash crash or a system glitch at the exchange—I've seen plenty of those false alarms. But then he said when he checked the transaction records, there were dozens of tiny withdrawals, one after another, going to a bunch of completely unknown addresses. That’s when it hit me—they’d been hacked.

Report it to the police? They said, "We can't open a case right now, let's first check if it was someone in the family." Contact the project team? They just replied, "On-chain transactions are irreversible." Just like that, years of hard-earned savings turned into a string of hash values that could never be recovered.

I've been in this market for eight years and have seen countless people lose money because of poor trading decisions. But cases like this—where someone’s wallet is emptied silently—are rarely about technology. They're about lapses in security awareness.

Later, when I helped him check his device, I found four fatal habits on his phone. To put it bluntly, these vulnerabilities were like hanging a master key on your wallet—making it feel like home for any hacker. Many people think it won’t happen to them, but the truth is—your asset security defenses may be far weaker than you imagine.

This incident really shook me. Market risks can be mitigated with strategy, but once a security loophole is exploited, you won’t even have time to react.