nowfound

Dev tools · March 8, 2026

PaperVault.xyz

What happens to your passwords and seed phrases if you get hit by a bus? That's the problem I built PaperVault to solve. I built PaperVault because I needed a way to store secrets (like 2FA recovery codes, hard disk encryption keys, and seed phrases) without depending on any device, cloud service or company surviving. I needed something my family could access in an emergency without exposing them directly to the passwords or burdening them with having to secure everything correctly over the course of many years. PaperVault encrypts your data with AES-256-GCM, with the decryption key split…

PaperVault.xyz launched on March 8, 2026 with 8 votes, #1,340 of 23,380 launches that month and more than 90% of that year's launches.

What it does

PaperVault is a 100% offline vault for your most important digital secrets, including crypto keys, passwords, and recovery codes. It creates encrypted backups you store as printed keys, distributed across trusted people or locations. No cloud, no custodians, no single point of failure. Designed for social recovery and digital inheritance.

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.

Store secrets and passwords on encrypted paper with distributed keys. Designed to last generations. PaperVault is open source. Run the web app locally, install the CLI, or wire up the MCP server so AI agents can trigger paper backups. Your vault is encrypted in your browser using AES-256. The decryption key is split into shares using m-of-n threshold (e.g. 3 of 5). Recover the vault contents by combining the encrypted vault with enough key shares. Distribute on paper or USB, in different locations or with trusted people. Your vault is designed for clarity and reliable scanning. Here’s what each part does. Threshold cryptography is a math problem until the moment of recovery, when it becomes…from papervault.xyz

In the maker’s words, at launch

What happens to your passwords and seed phrases if you get hit by a bus? That's the problem I built PaperVault to solve. I built PaperVault because I needed a way to store secrets (like 2FA recovery codes, hard disk encryption keys, and seed phrases) without depending on any device, cloud service or company…

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