A signed, geolocated, timestamped QR badge — generated in 3 seconds from your phone. For any use, anywhere.
Hours wasted, administrative errors, cancelled files. It was time for an alternative.
From zero to cryptographic proof in under 10 seconds.
Select your profile and purpose: presence, meeting, delivery, contract — dozens of use cases available.
Photo, video, audio or text — attach media that attests the situation. Works offline.
A unique cryptographic QR code, signed, geolocated and timestamped. Verifiable by anyone, anytime.
Every QRpruf badge embeds a cryptographic proof chain impossible to falsify.
Each badge is signed with a unique key. Any post-issue modification is immediately detectable.
GPS coordinates embedded with 20-meter precision. The location is an integral part of the proof.
The exact date and time are sealed in the badge. Impossible to claim a different moment.
No network? No problem. The badge is generated locally and synced when connection returns.
QRpruf adapts to any professional or personal context that requires proof of presence.
Prove your presence, document a moment, certify a delivery — for any personal situation that requires trusted proof.
Any profession that needs to certify an action, a presence, or a document — with legally-grade cryptographic proof.
QRpruf is in field testing. Sign up for early access and help shape the product with us.
No spam. Priority access guaranteed. Cancel anytime.