"SIM Shield Authentication" refers to the online financial business security authentication method developed by Bank of China and China Mobile. It integrates traditional key and certificate functions into the SIM card to provide secure storage capabilities and computing processing. Ability to save user private keys and user certificate information, and perform operations such as public and private key generation, encryption and decryption operations, signature/signature verification, and Hash operations.

The above content is for your reference, please refer to actual business regulations.

If you have any questions, please feel free to consult Bank of China’s online customer service.

You are sincerely invited to download and use Bank of China Mobile Banking APP or Bank of China Cross-border GO APP to handle related businesses.