The Open Bitcoin Wallet (OBW) is an Android Bitcoin and Lightning wallet, a fork of Simple Bitcoin Wallet focused on providing a pleasant and simple experience with advanced features.
To install the Open Bitcoin Wallet you have 3 options right now:
- Grab an APK from the releases page
- Download from Google Play
- Build from source (see instructions below)
Some of the features OBW 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
- Private by default
- when connecting to Lightning peers, uses a different node identity for each peer
- uses a random node identity for each invoice
- full TOR support: built-in, no Orbot needed
- 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
- cannot be traced and do not require capital or chain fee costs
- 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
- get channels with lnurl-channel, lnurl-hosted-channel
- withdraw from services with lnurl-withdraw
- login to websites with keyauth (lnurl-auth)
- pay out to services with lnurl-pay and lightning address, possibly including
- arbitrary comments
- free names for tips
- key and signed keyauth challenges that allow simultaneous payment and login or account referencing
- unique public keys that allow later payer identification
- reading
successActions that can be- free messages from the service to the wallet
- URLs sent from the service
- AES-encrypted secrets decryptable only with the payment preimage
- NameDesc!
- parse NameDesc invoices
- optionally generate NameDesc invoices
To build the Open Bitcoin Wallet 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).
Open Bitcoin Wallet (OBW) is based on Immortan, a versatile, flexible and reasonable library for building lightweight Bitcoin and Lightning wallets.
Apache.