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.
A 3-minute audit across 8 risk dimensions. 29 questions, a 0–100 score, and a prioritized fix list — not just a number.
Five questions about your practice (never your keys) that tell you whether your seed falls in the vulnerable firmware window.
17 real cases across 7 channels: 13 documented scams and 4 legitimate messages. Learn to tell the difference.
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.
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