(Short Paper) CommitCoin: Carbon Dating Commitments with Bitcoin ?

@inproceedings{Clark2011ShortPC,
  title={(Short Paper) CommitCoin: Carbon Dating Commitments with Bitcoin ?},
  author={Jeremy Clark and Aleksander Essex},
  year={2011}
}
In the standard definition of a commitment scheme, the sender commits to a message and immediately sends the commitment to the recipient interested in it. However the sender may not always know at the time of commitment who will become interested in it. Further, when the interested party does emerge, it could be critical to establish when the commitment was made. Employing a proof of work protocol at commitment time will later allow anyone to “carbon date” when the commitment was made… CONTINUE READING

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