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Title: Secure Health Messaging Using Blockchain as Proof of Existence Post by: hoffmabc on December 11, 2013, 05:07:28 PM Has anyone seen any whitepapers or discussions about secure messaging (health specifically if you know) that cover how the blockchain could be used for a decentralized storage of the proof of a message being sent? I have seen some example of how a notary scenario could be replicated using the blockchain and unspent tx but I'm wondering if this could also be used for proving that a secure message was sent.
For instance: - Party A hashes the message being sent to Party B - Store the hash (SHA-256) on the blockchain - Party C can now validate that the conversation occurred by referencing the blockchain tx I searched briefly and couldn't find any actual whitepapers or documentation. Title: Re: Secure Health Messaging Using Blockchain as Proof of Existence Post by: hieroglyph on December 12, 2013, 04:22:56 PM never heard anything about health messaging before now. There are so many features that I'm not full aware of that I guess it's is possible. If you find anything else out on this be sure to post it up, cheers.
Title: Re: Secure Health Messaging Using Blockchain as Proof of Existence Post by: kaito on December 12, 2013, 04:25:34 PM Have you taken a look at http://en.wikipedia.org/wiki/Bitmessage ?
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