BlockNotary app allows you to store the digital fingerprint of your files in the public ledger called “The Blockchain”. Think of it as a notary for the digital age. The App is as simple as clicking the “Share” button.

1. Block Notary
www.blocknotary.com
Igor Barinov
David Bentley

2. Proof of existence
 Photos
 Videos
 Text
 Any other electronic file

3. Old ways of verification
 E-mail file to yourself and friends
 Get documents notarized
 Statement
from a 3rd
party

4. New way of verification
 Phone app
 3 step process
 Submit to Testnet,
Bitcoin blockchain,
BlockCypher

5. Other use cases:
Proof of presence
 Court order,
work, etc.
 Take a selfie
 use embedded
GPS, date, time

6. Confirmation
 Push
notification

7. Block Notary
www.blocknotary.com
Igor Barinov
David Bentley

8. How does it work?
 Demo: http://www.blocknotary.com/#demo