Resources
White Papers
Three technical papers on how Catchlight is built, what it protects you against and what it does not, published before launch so they can be checked rather than taken on trust.
The Catchlight encryption architecture
How Catchlight seals a note, where the keys live, and what the design deliberately does not protect you against. Published before launch so it can be checked rather than trusted.
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Who might read your notes, and what each of them can actually do
An adversary-by-adversary threat model: what a thief, a household member, a cloud provider, Apple, a warrant and the maker can each actually do.
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How to tell whether a notes app is actually private
Seven tests you can run on any notes app in an afternoon, what each one really probes, and Catchlight scored on the same scale.
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