# papervault.xyz

> AI-optimized mirror of papervault.xyz containing 9 pages totalling 7,811 words of clean markdown content, structured data, and semantic HTML. Original source: https://papervault.xyz/. Last updated: 2026-05-17T20:36:59.474Z.

Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG).

## Homepage

- [Foundational Password Vault](/site-root.html): Store secrets on paper with threshold encryption. Encrypt passwords, seed phrases and recovery codes, split the key using Shamir's Secret Sharing, and print as QR codes. (1,137 words)

## Articles & Blog Posts

- [The DNS Security Extensions Root Key](/blog/why-paper-still-wins/index.html): The most consequential cryptographic keys are protected by physical objects in safes, not by any digital system. What the institutional practice looks like, and what individuals can take from it. (1,316 words)
- [PaperVault.xyz – (Context for AI / LLM)](/llms-txt.html) (452 words)
- [What the two parameters actually do](/blog/choosing-your-threshold/index.html): Threshold cryptography gives you two dials, and choosing them well is most of the work. A short tour of the failure modes, the standard configurations, and the heuristics that keep them working. (1,421 words)
- [Categories of keyholder](/blog/choosing-your-keyholders/index.html): Threshold cryptography is a math problem until the moment of recovery, when it becomes a social one. A short field guide to picking, briefing, and rotating the people who hold your shares. (1,426 words)
- [What a cycle is](/blog/cyclic-dependencies-in-personal-security/index.html): Almost everyone's recovery plan contains a hidden loop. The cycles stay invisible in normal use, and become unrecoverable the moment something breaks. (1,018 words)
- [Terms of Use](/legal/index.html): Terms of Use for PaperVault.xyz - free, open source tool for creating secure offline vaults. (557 words)
- [Privacy Policy](/privacy/index.html): Privacy Policy for PaperVault.xyz - we can't see your data. Everything happens in your browser. (236 words)
- [Choosing your keyholders](/blog/index.html): Long-form notes on offline secret storage, threshold cryptography, paper backups, and digital inheritance. (248 words)

## Resources

- [Full Page Index](/index.html): Browse all cached pages with rich metadata
- [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines
- [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery
- [Robots.txt](/content/robots.txt): Crawler directives