Blind Certificates seems like a new concept (to me).  But if some body does not trust you.  How do you expect them to trust DOWNLOADING an archive that supposedly contains nothing else other than the Blind Certificates?  If I had close to zero trust in some website and they told me they can fix this by letting me download some archive, I would close the tab right away and pick an alternative business.

-
Regards,
PrivacyG