Coconut Vault

Offline Bitcoin Signer

Only for iPhone

$48.00 · Designed for iPhone

iPhone

Coconut Vault — Offline Bitcoin Signer for Complete Self-Custody Coconut Vault keeps your private keys secure in a fully air-gapped environment. Sign PSBTs (Partially Signed Bitcoin Transactions) without any internet connection. Designed for those who take Bitcoin security seriously, Coconut Vault uses hardware-level protection (HSM / Secure Enclave) to isolate your private keys from the OS and other apps. Key Features • QR-based PSBT signing (fully offline) • Hardware security module protection for private keys • Compatible with Coconut, Sparrow, BlueWallet, and Nunchuk watch-only wallets • Auto lock & memory zeroize when network is detected • Selectable operation modes (Signing-only / Secure storage) Your keys. Your vault. Your Bitcoin — Coconut Vault.

Ratings & Reviews

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[Fixed] 1. Improved dice-based wallet creation 2. Automatically turn off passphrase usage when switching to Signing Mode 3. Added a biometric authentication button on the PIN input screen 4. Disabled screen rotation 5. Improved logic for detecting whether the device passcode has been removed

Version 1.1.0

The developer, Nonce Lab Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Seller
      • Nonce Lab Inc.
    • Size
      • 49.7 MB
    • Category
      • Finance
    • Compatibility
      Requires iOS 12.0 or later.
      • iPhone
        Requires iOS 12.0 or later.
      • iPod touch
        Requires iOS 12.0 or later.
      • Mac
        Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      English and 2 more
      • English, Japanese, Korean
    • Age Rating
      4+
    • Copyright
      • © 2025 Copyright (c) Nonce Lab Inc.
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

    More by Nonce Lab Inc.

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