The Open Bitcoin Wallet

The Open Bitcoin Wallet is an Android Bitcoin and Lightning wallet, a fork of Simple Bitcoin Wallet focused on providing a pleasant and simple experience with advanced features.

Some of the features it includes are:

• Lightweight Bitcoin wallet that uses Electrum servers
  • can use an Electrum server specified by the user or random ones
  • support for RBF and CPFP
  • coin control (select which UTXOs to spend or not)
  • payments to multiple addresses
• Standalone, autonomous Lightning capabilities:
  • can connect to any node
  • open channels, close channels, force-close channels, close channels to specific address
  • route payments without the use of any third-party service, all routing done on the wallet
  • offer to retry payments with increased fee tolerance if the first attempts fail
• Hosted Channels
  • lightweight credit-based virtual channels that use an open and interoperable protocol
  • can open hosted channels to any node that supports the host side of the protocol and can be connected to
• Full TOR support
  • built-in TOR, no Orbot needed
• Split-payments support
  • the same invoice from A can be paid by multiple wallets (B, C, D and so on) atomically
  • perfect for splitting bills at restaurants
• LNURL support
  • lnurl-channel, lnurl-hosted-channel
  • lnurl-pay, lightning address, comments, message, URL and AES-encrypted successActions
  • lnurl-withdraw
  • keyauth (lnurl-auth)

IMMORTAN

Open Bitcoin Wallet is based on IMMORTAN, a versatile, flexible and reasonable library for building lightweight Bitcoin and Lightning wallets.

How to build from source

Run this:

git clone https://github.com/nbd-wtf/obw.git
cd obw
./gradlew assembleDebug

The APK will be at app/build/outputs/apk/debug.

Other commands: ./gradlew installDebug, ./gradlew assembleRelease, ./gradlew bundleRelease (with Gradle options -PSTORE_FILE=... -PSTORE_PASSWORD=... -PKEY_PASSWORD=... -PKEY_ALIAS=... when signing to publish to Google Play Store).

License

Apache.