We&#x27;ve been using this protocol underneath another Bitcoin protocol we&#x27;ve been working on called Open Publish.<p><a href="https:&#x2F;&#x2F;github.com&#x2F;blockai&#x2F;openpublish" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;blockai&#x2F;openpublish</a><p>At some point soon we are going to be transitioning away from Blockcast and instead using a Protocol Buffer, but it has been really nice to be using a loose format based on JSON and Blockcast while we were figuring out all the requirements!