Evoke Vault

Securely generate and store your Bitcoin multisig signing key. Sign transactions via QR code — no network connection needed. Your keys never leave your device.

Evoke is a dedicated Bitcoin multisig signing app designed to work alongside the Evoke Vault web platform. It generates and securely stores your signing key on-device, and signs transactions entirely offline using QR codes — no internet required. How It Works Generate a new BIP39 seed phrase (12 or 24 words) or restore an existing one Export your public key (xpub) via QR code to register it with your Evoke Vault multisig wallet When you need to approve a transaction, scan the PSBT QR code from Evoke Vault, review the details, and sign Share the signed transaction back via QR code — done Security First • No network requests — ever. All communication is via QR codes • Your seed phrase is stored in the iOS Keychain, protected by biometrics • No accounts, no sign-in, no servers • No cryptocurrency is stored in this app — only your signing key • Screen recording detection automatically hides sensitive information Key Features • BIP39 mnemonic generation and restoration (12 or 24 words) • BIP48 P2WSH multisig key derivation (m/48'/0'/0'/2') • PSBT parsing with full transaction review — see amounts, addresses, and fees before signing • Static and animated (UR-encoded) QR codes for large transactions • One-tap xpub and fingerprint export for vault setup • View and verify your recovery words anytime (biometric-protected) Companion App Evoke is designed to be used with the Evoke Vault web platform for 2-of-3 multisig Bitcoin custody. Visit evokevault.com to set up your vault.