Do you know the story of Stefan Thomas? This German programmer living in the US became famous in the crypto community for one of the worst nightmares possible: he has 7,002 bitcoins locked in a wallet and simply cannot access them.

Just think about the value of that. With BTC trading at around US$ 66.8 mil right now, we’re talking about approximately US$ 468 milhões completely inaccessible. All because he forgot a password.

It all started in 2011, when Stefan received bitcoins for creating an educational video about cryptocurrencies. At the time, nobody imagined that it would turn into a fortune. He stored everything on an IronKey USB drive, which is quite secure, but requires a password to access it. The problem? Over time, the password slipped his mind.

The worst part is that the IronKey has a security system that locks out any attempt after 10 errors. And guess what? Stefan has already used most of those attempts. He tried everything — even hypnosis, believe it or not. He hired cryptography experts, but nothing has worked so far.

Stefan Thomas’s story is kind of unsettling because it shows crypto’s darkest side: the technology offers huge gains, but it also brings risks that most people don’t take seriously. If you lose the key, you lose everything. There’s no bank to call, no customer support, no password reset.

The guy accepted his fate and uses his own experience as a warning for others. And it’s a warning worth gold: if you have cryptocurrencies, protect your keys as if they were the most valuable thing in the world, because they are. Use cold wallets like Ledger, write down the recovery phrase on paper, and keep multiple copies in safe places. Because when you lose access, it’s forever.