Difference between revisions of "Proof of Publication"

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* [http://proofofexistence.com/ proofofexistence.com] - Store hashes of data in the blockchain.
 
* [http://proofofexistence.com/ proofofexistence.com] - Store hashes of data in the blockchain.
 
* [http://coinsecrets.org/ coinsecrets.org] - list of metadata recently embedded in the bitcoin blockchain using OP_RETURN outputs.
 
* [http://coinsecrets.org/ coinsecrets.org] - list of metadata recently embedded in the bitcoin blockchain using OP_RETURN outputs.
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* [https://github.com/mastercoin-MSC/spec#appendix-a--storing-mastercoin-data-in-the-blockchain Encoding Master Protocol transactions]
 
* [https://github.com/mastercoin-MSC/spec/issues/198 OP_RETURN in the Master Protocol]
 
* [https://github.com/mastercoin-MSC/spec/issues/198 OP_RETURN in the Master Protocol]
  
 
[[Category:Proof-of-x]]
 
[[Category:Proof-of-x]]

Latest revision as of 12:51, 12 June 2014

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A method that uses Bitcoin or Bitcoin-like technologies to authenticate that a certain information was published at a certain date, or was known at a certain date.

The technique entails encoding the secure hash of a certain publication (plaintext) inside the Bitcoin blockchain. It was probablly first described in the paper from 2012 titled "CommitCoin: Carbon Dating Commitments with Bitcoin" (extended abstract and technical report).

References