This certificate mainly considers the security of online transactions. The full name of a certificate is a digital certificate, which is actually a long string of mathematical codes, including the basic information of the customer and the signature of the CA, usually stored in the computer hard disk or ic card. Digital certificates are generally issued by CA certification center, which proves the unique correspondence between the certificate subject (the certificate applicant becomes the certificate subject after obtaining the certificate) and the public key contained in the certificate. A certificate includes the name and relevant information of the applicant, the applicant's public key, the CA digital signature that issued the certificate and the validity period of the certificate. After installing the client certificate on the browser, each online banking user can establish a secure encrypted channel between the client browser and the online banking system of CCB through the protection of the certificate. This certificate is unique for each customer.

If you choose "Not Exportable" when downloading the certificate, it can only be used on the installed computer and cannot be backed up. On the contrary, it can be used on any computer. Since the certificate is to ensure security, please be careful not to install it in public places such as Internet cafes, otherwise the information will be easily stolen.

If you must use it, you can choose to export the certificate at the time of installation and then save it on the mobile hard disk or USB flash drive. Just take it with you when you go to the internet cafe.

In your case, you need to go to the Agricultural Bank to print a reference number and password, 10 yuan, then reinstall the certificate and do it again, and choose to export the certificate. But in the end, it is strongly recommended not to use it in internet cafes. Most people install it on their personal computers.