W2QR
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Documentation

Everything you need to know about W2QR — from creating your first encrypted QR to advanced multi-factor recovery.

Get Started

Getting Started

Create your first encrypted QR backup in under a minute. Step-by-step guide for new users.

Basic & Advanced Modes

Choose between simple password-only protection (Basic) or multi-factor security with device, Google Account, and Recovery Code (Advanced).

Understand

How Encryption Works

Honey encryption, Argon2id, and why every password produces a valid mnemonic.

Security Model

Threat model, key lifecycle, and honest trade-offs compared to hardware wallets.

Protect & Recover

Recovery & Backup

Recovery Code, Google Drive backup, Google Account authorization, device enrollment, and the 2-of-3 disaster recovery system.

Wallet Compatibility

W2QR works without any installed wallet app. Also compatible with MetaMask, Rabby, and any BIP-39 wallet.

Distributed Custody

Shamir Shares

Split your mnemonic into M-of-N shares, each honey-encrypted with its own password. Distributed custody for families, teams, or multi-location backups.

Reference

QR Format Versions

Format compatibility for V1, V2B, V2A, and Shamir Shares. W2QR reads QR codes from all previous versions including text2qr.com.