WalletSOP
A stateless security audit for your Bitcoin cold storage
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WalletSOP - A stateless security audit for your Bitcoin cold storage

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WalletSOP audits how you set up and manage your hardware wallet — never what your seed phrase is. Answer questions about your entropy source, backups, and firmware, get a scored breakdown and a personalized hardening checklist. 100% free, open-source, and stateless — runs fully offline, zero network requests, nothing ever leaves your browser.

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Hey PH! 👋 I built WalletSOP after watching the recent Coldcard RNG incident drain over $100M from people who, in their own words, "did everything right." The failure wasn't user error — it was a manufacturer's implementation bug in how seed randomness was generated. That got me thinking: most self-custody security advice is scattered across forums and videos, and there's rarely a structured moment to actually audit your own setup against it. WalletSOP asks about your procedure — how your seed's randomness was generated, whether you use a passphrase, whether firmware is current — never your actual seed phrase. It scores four independent categories (Entropy, Backup & Storage, Access Control, Operational Hygiene) and gives you a tailored checklist for anything weak. It's 100% stateless: zero network requests, no backend, nothing stored. You can literally disconnect your wifi and it works identically — the source is public if you want to verify that yourself. Would love feedback, especially from anyone who's been through a cold-storage security incident themselves.