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OpenSign

OpenSign is a fully decentralized document signing and notary system.

Files are stored on the Interplanetary FileSystem (IPFS) and the signatures are stored on the Ethereum Blockchain.

This project is available to use at https://opensignapp.com

A version is also hosted on IPFS at https://gateway.ipfs.io/ipfs/QmUu7kuy7dHCC5RDL3hscji81Fb6EmoBRzmwcrgJweRVjJ/

Development

Prerequisites

• Node.js
• Embark Framework installed globally
• IPFS Daemon

To run

In separate consoles run:

• embark blockchain
• embark run
• ipfs daemon

Technical Details

The smart contract is available to view in /app/contracts/

The system is currently only available on the Ropsten test net.

We use the Infura IPFS public node.