Proof of Publication: Difference between revisions
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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. | ||
* [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
This page is a stub. Help by expanding it.
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
- proofofexistence.com - Store hashes of data in the blockchain.
- coinsecrets.org - list of metadata recently embedded in the bitcoin blockchain using OP_RETURN outputs.
- Encoding Master Protocol transactions
- OP_RETURN in the Master Protocol