Safety measures of Guangzhou Woyin Network Technology Co., Ltd.

1. Smart SD card is password protected. Every time you open the client software, you need to enter the SD card password first. Password fault tolerance is limited, and transactions can only be allowed if the password is verified correctly.

2. All financial inquiry and payment transactions need to verify the transaction password of the bank card. 3. The input of the transaction password of the bank card is protected by the security control of the client to prevent the Trojan virus attack of the mobile phone.

4. The track information of the bank card is encrypted by UnionPay system and cannot be decrypted by any second party to prevent the bank card from being copied.

5. The security encryption of point-to-point communication and the transmission encryption and decryption of "one card and one secret" symmetric key are adopted to ensure the privacy, security, integrity and non-repudiation of the information exchange of transaction messages.

6. When the mobile phone is stolen, robbed or lost, please contact the customer service immediately and report the loss of the smart SD card through the customer service phone. In the process of telephone loss reporting, the user is required to provide identification information, and the reported SD card will be invalidated immediately.