Cuervia: Timestamp Your Work — ASO

By Jan Daniel Naftanaila on AppTrack Ninja.

Prove when your work existed

Your work, with a proven date: Cuervia computes its SHA-256 fingerprint inside your iPhone and seals it in Bitcoin with OpenTimestamps. No account, no payments, and your file is never uploaded. You pick a file and, from that moment on, you hold proof of prior existence that anyone can check independently, with public tools and without going through us. YOUR FILE NEVER LEAVES YOUR IPHONE The original is never uploaded. The only thing that travels is 32 bytes: the fingerprint. A fingerprint cannot be used to reconstruct your work, but it can prove that a file is exactly the one that was sealed.…

Categories: Graphics & Design, Productivity

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