Back in 2010, a Chinese teenager named Wei Zhang put $10 into Bitcoin when it was worth less than a penny. That $10 got him 99,000 BTC.

By 19, he had built CryptoLeap, the first crypto margin trading exchange. It took off fast, and he became insanely rich — those coins alone would be worth over $11 billion today.

Then, in 2018, he got an email from what looked like a big investment firm. It had a link to a “proposal.” He clicked, logged in… and that was it. Hackers cleaned out the entire 99,000 BTC in minutes.

Everything was gone. The exchange collapsed. His fortune vanished.

Now, Wei works in cybersecurity, warning people that in crypto, one wrong click can cost you everything. About this