Is my data private?
Yes. Your library is private to your account and is never sold. Export or delete it anytime from Settings.
Transport is TLS. Accounts are isolated. There is no client-side encryption passphrase — older marketing that claimed one is wrong.
AI processing for summaries, tags, embeddings, and Copilot is done by Doubleword, named in the privacy policy. Public Spaces can appear on /explore only if you publish them.