Blog

A plain-English walkthrough of Shamir's Secret Sharing — the polynomial trick, where it works in production, and the brutal failure modes that make it the wrong tool for most family inheritance plans.

The threat model, the wrapped master key architecture, the per-file content keys, the per-share keys, and the trigger pipeline — a transparent walkthrough of how a deadman switch can deliver your most sensitive files without anyone, including the service itself, ever being able to read them.