Coconut Vault: Bitcoin Signer
Coconut Vault: Bitcoin Signer
Download on App Store

This page is not an official page of the app or its developer, but an independent editorial publication created for informational and commentary purposes. Unless expressly stated otherwise, neither the app nor its developer is affiliated with, endorsed by, sponsored by, authorized by, or otherwise officially connected with MWM, Apple, Google Play, the app publisher, or the app's developer, and nothing on this page implies that the app was developed using MWM's services. Any trademarks, logos, screenshots, and other content remain the property of their respective owners.

Logo of Coconut Vault: Bitcoin Signer
Download on App Store

Coconut Vault: Bitcoin Signer

Transform your iPhone into a professional-grade hardware wallet. Sign PSBTs fully offline via QR codes and protect your private keys within the Secure Enclave for ultimate peace of mind.

Key Figures

Downloads

700

User Rating

5.0/5

Total Ratings

0

Publisher

Nonce Lab Inc.

Category

Finance

Locales

3

Latest Version

2.0.1

Size

48.1 MB

First Released

Oct 26, 2025
Features

Fortify Your Financial Sovereignty

Coconut Vault transforms your iOS device into a professional-grade, air-gapped signer. Experience the highest level of self-custody with hardware-level isolation and zero-network exposure.

Hardware-Isolated Security

Your keys are stored within the iPhone’s Secure Enclave (HSM), physically isolated from the internet and protected against sophisticated software attacks.

Pure Air-Gapped Workflows

Sign PSBT transactions using QR codes only. By eliminating all digital connections, you ensure your private keys remain 100% offline at all times.

The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.

App Store

Screenshots

Coconut Vault: Bitcoin Signer - iPhone screen displaying the Coconut Vault app interface with options for offline bitcoin signing and secure vault management

iPhone screen displaying the Coconut Vault app interface with options for offline bitcoin signing and secure vault management

Coconut Vault: Bitcoin Signer - Three simple steps to set up Coconut Vault Bitcoin signer including offline mode activation

Three simple steps to set up Coconut Vault Bitcoin signer including offline mode activation

Coconut Vault: Bitcoin Signer - Interface of Coconut Vault app showing a list of multiple created Bitcoin wallets for offline management

Interface of Coconut Vault app showing a list of multiple created Bitcoin wallets for offline management

Coconut Vault: Bitcoin Signer - Coconut Vault app screen showing options for secure storage mode and signing only mode

Coconut Vault app screen showing options for secure storage mode and signing only mode

Coconut Vault: Bitcoin Signer - Coconut Vault interface showing the automatic lock screen that activates when an internet connection is detected to ensure air-gapped Bitcoin security

Coconut Vault interface showing the automatic lock screen that activates when an internet connection is detected to ensure air-gapped Bitcoin security

Coconut Vault: Bitcoin Signer - Coconut Vault security screen showing a warning that the vault will be reset after multiple failed unlock attempts

Coconut Vault security screen showing a warning that the vault will be reset after multiple failed unlock attempts

Coconut Vault: Bitcoin Signer - Two smartphones displaying the Coconut Vault Bitcoin signer app interface with light and dark mode themes

Two smartphones displaying the Coconut Vault Bitcoin signer app interface with light and dark mode themes

Description

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.

Download

Download on App Store

This page is not an official page of the app or its developer, but an independent editorial publication created for informational and commentary purposes. Unless expressly stated otherwise, neither the app nor its developer is affiliated with, endorsed by, sponsored by, authorized by, or otherwise officially connected with MWM, Apple, Google Play, the app publisher, or the app's developer, and nothing on this page implies that the app was developed using MWM's services. Any trademarks, logos, screenshots, and other content remain the property of their respective owners.