And also:<p><i>What about polluting the blockchain?<p>We will move this protocol to a Bitcoin sidechain designed specifically for public data as soon as the technology for building sidechains becomes available.<p>In the meantime we&#x27;ve been using this protocol while prototyping other protocols that rely on storing metadata in the Bitcoin blockchain.<p>Woodsy Owl says &quot;Give a Hoot! Don&#x27;t Pollute!&quot;</i>