Privacy · Security
Zero-knowledge: what it actually means, in plain language
"Zero-knowledge" gets thrown around a lot in privacy marketing. Here is the precise, checkable definition — and a simple test to catch the fakes.

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Privacy · Security
"Zero-knowledge" gets thrown around a lot in privacy marketing. Here is the precise, checkable definition — and a simple test to catch the fakes.
Privacy · How it works
One design decision — send your words to a server first — is the entire privacy problem with most "smart" notes apps. It is also completely avoidable.
Cloud & Sync · Privacy
Most subscriptions tie usage directly to a billing identity. That link is exactly what makes anonymous cloud storage meaningless. Here is how we cut it.
Privacy
If a privacy app is free, something is usually paying for it — often you, in ways you can't see. Here is exactly where Prevon's revenue comes from instead.
Privacy
"We take your privacy seriously" is printed on nearly every privacy policy, including the ones that don't. Here is how to actually check the claim.
AI · Privacy
Most AI features are a black box — you see results, never reasoning. Prevon's AI leaves a plain-language receipt for everything it touches.
Privacy · Security
Every app you have used can reset your password. Prevon can't — that missing button is the whole security model, visible in one UI element.
Privacy · Security
Encryption protects a file's contents. If a server still knows which blob is yours, an attacker — or a subpoena — knows exactly where to point.
Privacy · Security
"Zero-knowledge" gets thrown around a lot in privacy marketing. Here is the precise, checkable definition — and a simple test to catch the fakes.
Privacy · How it works
One design decision — send your words to a server first — is the entire privacy problem with most "smart" notes apps. It is also completely avoidable.
Cloud & Sync · Privacy
Most subscriptions tie usage directly to a billing identity. That link is exactly what makes anonymous cloud storage meaningless. Here is how we cut it.
Privacy
If a privacy app is free, something is usually paying for it — often you, in ways you can't see. Here is exactly where Prevon's revenue comes from instead.
Privacy
"We take your privacy seriously" is printed on nearly every privacy policy, including the ones that don't. Here is how to actually check the claim.
AI · Privacy
Most AI features are a black box — you see results, never reasoning. Prevon's AI leaves a plain-language receipt for everything it touches.
Privacy · Security
Every app you have used can reset your password. Prevon can't — that missing button is the whole security model, visible in one UI element.
Privacy · Security
Encryption protects a file's contents. If a server still knows which blob is yours, an attacker — or a subpoena — knows exactly where to point.