About

Cove is a simple to use yet powerful Bitcoin mobile wallet. The wallet is built on top of the BDK library.

We provide hot wallet support but one of the main goals is to be the best mobile wallet to use with hardware wallets.

Available on iOS and Android

Build from Source

See CONTRIBUTING.md for prerequisites and build instructions.

Documentation

• CONTRIBUTING.md - Development setup, commands, workflow
• SECURITY.md - Private vulnerability reporting
• ARCHITECTURE.md - System design and codebase structure
• docs/ios_android_parity.md - iOS/Android UI patterns
• docs/icloud_drive.md - iCloud Drive behavior and file coordination notes
• docs/passkeys.md - Passkey behavior and Cloud Backup confirmation notes

Features

• Create and import hot wallets, verify recovery words, and use SeedQR backup and restore
• Import watch-only and hardware wallets from xpubs, public descriptors, and key expressions using NFC, files, or QR codes
• Use Coldcard, TAPSIGNER, Krux, Jade, SeedSigner, Foundation Passport, and other PSBT-compatible hardware wallets
• Set up, import, back up, change PIN, and sign with TAPSIGNER over NFC
• Send Bitcoin with hot wallets or hardware wallets using QR (BBQr and UR), NFC, or files for PSBT transfer
• Choose custom fee rates and review fee warnings before sending
• Create and manage multiple wallets across Bitcoin, Signet, Testnet, and Testnet4
• Use Native Segwit, Wrapped Segwit, and Legacy address types
• View receive addresses, transaction details, UTXOs used, and block explorer links
• Search, sort, filter, lock, unlock, label, and select individual UTXOs for coin control
• Create, import, and export BIP329 labels for wallets, transactions, and UTXOs
• Export transaction CSVs with historical fiat prices for tax reporting
• Select your preferred fiat currency and Bitcoin unit
• Connect to your own Electrum or Esplora node
• Enable end-to-end encrypted Cloud Backup and restore protected by passkeys, using iCloud Drive on iOS and Google Drive on Android
• Use PIN or biometric app lock, plus Wipe Data and Decoy trick PINs

Demo Video

cove_demo.mp4

Coming Soon

• Full SATSCARD support

Acknowledgements

• OpenSats for the grant that made it possible for me to dedicate my time to this project.
• BDK which Cove is built on, thanks for the great work, and for your help along the way.
• Adrian Lischer for the UI designs and UX feedback.
• All the alpha and beta testers that have provided valuable feedback.
• Craig Raw for helping me make integrations with sparrow work smoothly.
• Coinkite for providing me with hardware to test on and helping me with integrations.
• NVK for the Cove name and feedback.

License

Cove is released under the MIT license.