I&#x27;ve used Persona on one project (see: <a href="https:&#x2F;&#x2F;github.com&#x2F;OWF&#x2F;owf2014&#x2F;blob&#x2F;master&#x2F;website&#x2F;auth&#x2F;persona.py" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;OWF&#x2F;owf2014&#x2F;blob&#x2F;master&#x2F;website&#x2F;auth&#x2F;pers...</a>). I was awesome (much much easier than the OAuth dance with the various providers we wanted to support). I wholeheartedly agree w&#x2F; Stavros.