i wrote a paper about leveraging public random streams like this one. it can be downloaded here <a href="https:&#x2F;&#x2F;drive.google.com&#x2F;file&#x2F;d&#x2F;0B9IkyvYlZZe7TldTRGlSMnpQX0U&#x2F;view?usp=docslist_api" rel="nofollow">https:&#x2F;&#x2F;drive.google.com&#x2F;file&#x2F;d&#x2F;0B9IkyvYlZZe7TldTRGlSMnpQX0U...</a>