PaperVault
Encrypts secrets and splits the decryption key into printable QR-coded shares using Shamir's Secret Sharing.
This is a foundational password vault that encrypts secrets and splits the decryption key into printable QR-coded shares using Shamir's Secret Sharing, solving the problem of secure, durable, offline storage for passwords and critical records. It targets developers, IT teams, security teams, and individuals (B2B and B2C) who need long-term, disaster-resilient backup for digital assets. It is positioned as an open-source, self-hostable tool that runs entirely client-side, with no cloud dependency, and supports social recovery and digital inheritance.
Key features
- AES-256 encryption in browser
- m-of-n threshold key splitting
- Printable QR-coded vault and keys
- Offline client-side operation
- Open source and self-hostable
- CLI and MCP server support
- Social recovery and digital inheritance
- Integrity warning and error correction
VendorPaperVault.xyz