To use the backup feature, registration is required. For a simple process and enhanced security, you only need one email address to sign up.

The email address is used solely for user identification and is never used for any other purposes or shared with third parties.

However, in the following cases, restrictions on usage (such as suspension or forced withdrawal) may be imposed.

1. If an email that is not personally owned is used, such as a disposable email or one registered under another person's name.

2. If one person registers multiple accounts using different email addresses.

- Privacy Policy Notice

1. Purpose: Identification of the user and verification of their identity.

2. Item: Email address

3. Retention Period: 6 months after membership cancellation.