PlainTray
The Simple Data Tray
Blog
How Zero-Knowledge Encryption Keeps Your Files Private
Most file-sharing tools can read everything you upload. Here's how PlainTray's zero-knowledge architecture makes that impossible.
February 14, 2026 · 5 min read
Why We Built PlainTray
The story behind PlainTray — how a university side project became a zero-knowledge encrypted platform for sharing files and text.
February 14, 2026 · 6 min read