Blog
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August 7, 2026
The Build Is Part of the Wallet
We ran our COLDCARD checklist against our own shipped binaries, found the exact failure class it describes in our own build, and spent the week that followed making that class of failure impossible to express.
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August 3, 2026
Recovery Sheet: An Encrypted QR You Can Print
How Cryptograph turns encrypted recovery data into a physical backup that you can inspect, store, and use without a cloud account.
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July 31, 2026
Entropy Is a Systems Property
What the COLDCARD RNG failure shows about integration risk, deterministic fallbacks, and why Cryptograph delegates wallet entropy to Apple's platform random service.
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July 16, 2026
BIP39's Unicode Trap
A BIP39 passphrase can contain almost any Unicode text. That flexibility becomes a recovery risk when visually identical input can open a different wallet.
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July 6, 2026
Photo Backup in an Ordinary JPEG
Photo Backup hides encrypted recovery data inside ordinary JPEG photos, separate from the printed Recovery Sheet, so a wallet backup does not announce itself.
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June 29, 2026
The Apple Pay Parallel
Apple Pay and Cryptograph use the Secure Enclave for the same kind of boundary: trusted authorization before value moves, applied to different assets.
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June 19, 2026
Model, Interrupted
What Fable found in Cryptograph's signing path, why a model panel can approximate but not cheaply replace that kind of review, and how the 1.2.0 fixes shipped.
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May 22, 2026
Why the iPhone Holds No Keys
What the iPhone prepares, what Apple Watch signs, and where Cryptograph draws the boundary between them.
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May 17, 2026
Seven Hacks Cryptograph Was Built to Stop
Seven of the most famous crypto thefts of recent years, and the architectural answer to each.
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May 6, 2026
The Wearable Wallet
Hardware wallets protect your keys. Wearable wallets protect you.