HKDDig is a self-custody multi-chain wallet. Your recovery phrase and keys stay on your device and transactions are signed locally. Send and receive on Bitcoin, Ethereum, BNB Chain, Polygon and TRON. The Android APK is available from the official site.
Download the official APK directly from this site.
APK coming soon
This page serves the English APK for Android. Switch language to get another build.
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Scan to download
Use your phone camera or Chrome / Safari to scan and download directly in your browser. WeChat needs one extra Open in Browser step.
Only download from hkddig.com to avoid counterfeit packages. This app has not been independently audited; start with small amounts.
Install from the App Store for iPhone and iPad.
App Store version coming soon
Download the official APK from hkddig.com.
If Android warns about unknown sources, allow this installation in system settings.
Create a new wallet or import your recovery phrase, then back it up and never share it.
This page and the version API list the latest build. Back up your recovery phrase before updating.
Android flags packages from outside app stores. Once you have confirmed the download comes from hkddig.com, allow your browser or file manager to install apps in system settings.
This page publishes the SHA-256 of the latest APK. Compare it with a checksum tool after downloading and do not install if it differs.
Yes. Older builds still launch but may miss new features and fixes. Updating to the latest version is recommended.