> ## Documentation Index
> Fetch the complete documentation index at: https://docs.portalhq.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Password/PIN

Allow customers to create a password/pin. Customers can either remember the password or store it in a password storage manager.

### Implementation Requirements

1. Create a UI for password input.
2. Enforce password requirements. Customer can choose between password, PIN code, passcode, or any other text-based input.

Check out our quick start guides for implementing password storage in our sdks:

iOS SDK - [*password storage*](../../sdks/ios/guide/back-up-a-wallet)

Android SDK - [*password storage*](../../sdks/android/guide/back-up-a-wallet)

React Native SDK - [*password storage*](../../sdks/react-native/guide/back-up-a-wallet)

Web SDK - [*password storage*](../../sdks/web/guide/back-up-a-wallet)