W2QR
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Documentation

Everything you need to know about W2QR — from creating your first encrypted QR to printing plastic cards and distributed custody.

Get Started

Getting Started

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

Encryption & Backup Options

Password-based honey encryption, Strong Password Generator, Google Drive backup, biometric protection, and Shamir split for distributed custody.

Understand

How Encryption Works

Honey encryption, Argon2id, Strong Password derivation, 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

Google Drive backup, catchy phrase password regeneration, biometric protection, Shamir share combine, and disaster recovery options.

Balance Scanner

Search beyond the standard 100 combinations, and recover a wallet from a partial seed phrase.

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.

Advanced Features

W2QR Cards

Create and activate pre-printed cards as crypto wallets. Honey encryption ensures any password produces a valid wallet.

Plastic Cards

Print your wallet QR and password QR on credit-card-sized plastic cards for durable, portable access.

TOTP Setup

Add Google Authenticator as a second factor for additional wallet protection.

Reference

QR Format Versions

Format compatibility across all W2QR versions and Shamir Shares. W2QR reads QR codes from all previous versions including text2qr.com.