🌎 English

Everything you own is 12 words. Guard them.

The free Bitcoin self-custody school that starts with real risks, not theory. In Spanish and English. No sign-up, no accounts, nothing leaves your browser.

📊 CustodyScore

A 3-minute audit across 8 risk dimensions. 24 questions, a 0–100 score, and a prioritized fix list — not just a number.

⚠️ Coldcard Checker

Five questions about your practice (never your keys) that tell you whether your seed falls in the vulnerable firmware window.

🕵 Anti-Phishing Trainer

20 real cases across 10 channels: 16 documented scams and 4 legitimate messages. Learn to tell the difference.

Start the audit →

If something already went wrong

Straight answers, each to one question. None of them asks for your seed phrase, and none ever will.

Why trust it? This page ships with connect-src 'none'. Your browser itself blocks every request it could make. We can't phone home even if we wanted to — it's not a promise, it's a restriction your browser enforces against us. Open DevTools → Network and see for yourself.