How independent consultants can exchange strategy documents, financials and board material with clients without leaving readable copies on a vendor's servers.
Three private surfaces. Same zero-knowledge architecture.
Yet the standard workflow is an email attachment or a shared cloud folder — both of which leave readable, permanent copies with at least one provider and often several.
The shared folder. Access lists drift. People who joined a project two years ago are still in it. The provider can read everything regardless.
The forwarded link. Someone shares the review link with a colleague who shares it further. Without expiry and per-recipient links, you never learn where it went.
Three private surfaces. Same zero-knowledge architecture.