Privly's architecture has foundations in two academic projects. The following is an excerpt from a paper submitted to a security symposium. After Privly receives reviews from our double blind reviewers, we will publish the paper in its entirety.
Privly combines the paradigm Confidentiality as a Service (CaaS)  with the hyperlink-based cryptography of the browser extension Scramble! . Fahl et al.  proposed CaaS as a means of increasing the usability of cryptographic systems.