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Re:The Handshake Deal Protocol by jnsaff2 on Friday March 15, 2013 @03:10AM (#5379522)
Re:The Handshake Deal Protocol by mtrimpe on Friday March 15, 2013 @04:23AM (#5379651)
I think you missed my point. It'd be quite hard to build e.g. third-pary petition site on GaurdTime.

The other comment's DocuSign suggestion comes closer, but I also doubt DocuSign offers support for third parties to do micro-signing through an API.