The perfect companion app for your Passport. Secure setup, firmware updates, zen-like Bitcoin wallet. Always open source.

Perfect mobile companion

Quick and easy setup

Envoy offers a guided setup experience for your Passport.

Download and install the latest Passport firmware updates, right from your phone, with the included microSD adapters.

Complete the supply chain validation to ensure your Passport hasn’t been tampered with in-transit.

Learn how to set your PIN, backup your Passport, and automatically pair with Envoy’s wallet – or pair Passport with the software wallet of your choice!

Beginner-friendly wallet

Envoy may be the simplest Bitcoin software wallet on the market.

Envoy’s wallet allows you easily send and receive Bitcoin while your private keys stay on Passport. The only available option is whether to “boost” your transaction (pay a higher fee) – everything else is handled for you automatically.

Are you a sovereign Bitcoiner? Envoy connects to our nodes via Tor by default, but also supports the ability to link your own node instead!


Open Source

Envoy is open source under GPLv3, and incorporates open source components like BDK and Flutter.

up to date

Envoy notifies you of Passport firmware updates so that your device is always running the latest firmware.

Support Center

Envoy provides in-app support resources, so that you can get your questions answered quickly.

Secured with Tor

Envoy mobile app connects to the Internet via Tor by default, offering maximum privacy.


OnboardingFacilitates Passport unboxing and secure setup, including supply chain validation and firmware update.
SecurityCommunicates with Passport via airgapped QR codes. Keys are always stored offline on Passport. Firmware updates are automatically downloaded and verified.
PrivacyConnect to Foundation nodes via Tor, or connect your own node.
OpennessOpen source under GPLv3 license.
WalletSimple Bitcoin watch-only wallet; keys stored on Passport. Ability to “boost” transaction speed with a higher fee. Advanced features, like coin control, coming in future updates.
ArchitectureCross-platform Flutter app. Uses BDK for wallet functionality.
AvailabilityExpected release in June on iOS and Android app stores; will also release APK and potentially F-Droid.