Block Notary www.blocknotary.com Igor Barinov David Bentley
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Proof of existence
Photos
Videos
Text
Any other electronic file
Old ways of verification
E-mail file to yourself and friends
Get documents notarized
Statement from a 3rd
party
New way of verification
Phone app
3 step process
Submit to Testnet, Bitcoin blockchain, BlockCypher
Other use cases: Proof of presence
Court order, work, etc.
Take a selfie use embedded
GPS, date, time
Confirmation
Push • notification
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