The HMS Core Wallet SDK needs to be loaded to your app when you package the app. When a user saves a pass to HUAWEI Wallet, the SDK transparently sends data to the Huawei server without collecting the user's personal data.
You do not need to apply for extra permissions for using the HMS Core Wallet SDK.
The HMS Core Wallet SDK transparently sends external data to the Huawei server without collecting users' personal data.
Pass data is transferred after encryption and signing, and no sensitive information is involved. The server verifies data validity.