§ Tool · validator

Bitcoin Self-Custody Score — 2-minute quiz · A+ to F

Eight honest questions about how you actually store your Bitcoin. Get a score, a grade, and the single change that lifts you fastest. Client-side.

Last updated · June 7, 2026

Self-Custody Score · 8 questions · ~2 min client-side · honest answers only

Rate how you actually store your Bitcoin right now — not how you wish you did. Score is yours; nothing is sent anywhere.

Why this quiz exists

Most “Bitcoin security” content either glosses the topic (“just buy a hardware wallet”) or buries you in jargon (“multisig threshold, SeedQR, BIP-39 passphrase, plausible deniability path”). Neither tells you what you most want to know: given the way I currently store my Bitcoin, am I doing it right?

This quiz answers that question in 2 minutes. Eight honest questions. A score from 0 to 100. A clear verdict on which area is weakest. And one concrete recommendation for what would move you up the fastest.

The questions are weighted by expected loss. Storing the majority of your Bitcoin on a centralised exchange scores 0 on the storage question because the historical loss probability is high — Mt. Gox, QuadrigaCX, Celsius, FTX. A single hardware wallet scores 85 because the loss surface drops to under 1% annually when used correctly. Multisig scores 100 because it defends against single-device compromise too.

What the score is — and isn’t

It is a snapshot of your current setup against the consensus best practices in 2026. The point is to expose the weakest link in your specific setup so you know which fix moves the needle most. Most people score in the C range because there’s one or two specific things they’ve been meaning to fix.

It isn’t a guarantee. A “A+” multisig setup can still be lost to social engineering or coordinated coercion. An “F” hot wallet can survive for years if you’re lucky. The score is a starting point for a conversation with yourself about which trade-offs you’re actually making — not a certificate that says “you’re safe”.

How the breakdown works

The eight questions cover six areas:

Each area is averaged independently so the result page shows where you’re strong and where you’re weak. Most people’s weakest area falls under either “backup” or “verify before sign” — those are the two habits that take real discipline.

The single highest-leverage move

If you only fix one thing this month, fix this: read the destination address on your hardware-wallet screen, every single time, before you confirm a transaction.

This one habit defeats most of the wallet-drainer attacks documented in 2025-2026, including the counterfeit Ledger Live app on the Apple App Store that drained roughly $9.5M from users who had hardware wallets but didn’t verify on-device. Drainer malware works by silently substituting the destination address on the computer screen — your hardware wallet shows you the real destination on its own screen, and you can refuse to sign if it doesn’t match.

The same principle applies to wallet downloads: verify the SHA-256 hash of the installer against the vendor’s published hash before you run it. Our wallet installer verifier takes about 30 seconds.