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Introduction

The MPC System comprises three private key shares, with two encrypted shares stored on Microsoft Cloud Services and Amazon Cloud Services, and the other stored on your local device. To ensure the security of your assets, it is essential to timely backup the locally stored private key share and keep it secure. These private key shares exist in the form of a recovery phrase, making them easy to remember. There are two backup options for private key shares: local backup and cloud backup.
To ensure the security of your assets, please make sure to backup your private key shares promptly. Wallet functions that are not backed up will be restricted.

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Backup Process

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Manual Backup

Manually record the recovery phrase of the private key and store it locally for high-security assurance.
1

Open Private Key Backup Feature

Open the Security feature, select the workspace, and manually backup the private key.
2

Enter Private Key Password

Verify with the private key password or biometric authentication.
3

View Recovery Phrase and Save

Record the recovery phrase in a secure offline environment.

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Cloud Backup

Encrypt and backup the private key shares to the cloud for a secure and convenient solution.
1

Open Private Key Backup Feature

Open the Security feature, select the workspace, and manually backup the private key.
2

Select Cloud Drive

Choose a suitable cloud backup option based on the nature of your mobile device.
  1. The folder name in your cloud drive where Custody MPC System backs up files is “do not delete Custody backup.” Please make sure not to delete the folder and files within it.
  2. Due to the special nature of Huawei HarmonyOS, cloud backup is currently not supported for Huawei devices.
3

Cloud Backup

Wait for the cloud backup to complete, ensuring the backup is successful.