Understand the project
Practical overview
When it fits
Use Sentinel when you want an Android watch-only view of Bitcoin wallet activity, particularly for wallet formats named in its repository documentation.
Who it is for
- Android users who want to track activity associated with a Bitcoin wallet without using Sentinel as a spending wallet.
- Developers examining or building an Android Bitcoin wallet-viewing project.
Documented uses
- Track activity for a watch-only Bitcoin wallet.
- Work with documented BIP44, BIP49 and BIP84 wallet formats, including BIP49-specific XPUBs such as YPUB.
- Import the repository into Android Studio as a project.
Before you choose
Requirements & limits
- The project is described as watch-only, so its stated role is tracking rather than spending.
- Its README documents BIP49-specific XPUB support, including YPUB, and support for BIP84 and other SegWit-related standards.
- The repository is Java-based and identifies the Unlicense.
- The README directs development to the develop branch and says maintenance has moved to the Samourai Code repository.
Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.
Source-based practical guide
Open the project in Android Studio
Prepare the Sentinel repository as an Android Studio project.
Before you start
- Android Studio
- The Sentinel for Android repository
Steps
Obtain the project from its public repository.
Import it as an Android Studio project.
Expected outcome
The repository is imported as an Android Studio project; its README says it should build as is.
Guide limitations
- The README does not provide further build steps or report a verified build result.
Evidence and transparency
Sources & review
Source record details
- Source availability
- Active
- Sources checked
- 17 October 2026
- Original website title
- Samourai-Wallet/sentinel-android · Official homepage title · retained in its source language