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BlockNotary Classic app for iPhone and iPad


4.4 ( 3584 ratings )
Business Utilities
Developer: Havevalue Ltd
Free
Current version: 1.5.1, last update: 7 years ago
First release : 10 Jun 2015
App size: 25.94 Mb

Blocknotary app allows you to store the digital fingerprint of your photos and video 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.

Main features:
* Calculate SHA-256 of any given photo or video
* Notarize the hash of a photo in the Bitcoin Live, Bitcoin test blockchain, Open Timestamps, and Tierion
* Verify presence of notarized hash in the blockchain
* Notary action extension to notarize from other apps, e.g. notarize a photo from Scannable in Block Notary without leaving Scannable app
* Push notifications on blockchain confirmation
* Realtime support and FAQ powered by HelpShift


Technology Stack:
* Blockcypher API
* Parse CloudCode
* Bitcoin TestNet3, Bitcoin Livenet, Open Timestamps, Tierion
* IPFS, AWS S3
* HelpShift