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Zas is not a storage service. It is a corridor for files, images, video, and short text. Three design choices make that corridor fast, private, and clean: expiry, global deduplication, and blind privacy.

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The three pillars

Expiry

Every item deletes itself after a fixed lifetime. Nothing accumulates, and nothing expires silently.

Global dedup

Files are content-addressed. If a file already exists anywhere in Zas, it sends in about one second, no matter the size.

Privacy

Encrypted at all times. Nobody reads what you send. No list exists of who has what.

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Why these matter together

Expiry keeps your channels clean. Global dedup makes large files move instantly. Privacy means the service cannot build a map of who holds what, even if it wanted to. Combined, they create a dispatcher that feels like a universal clipboard: paste on one device, grab on another, and trust that the corridor forgets.

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