RA's soft certificate is a digital certificate issued by a certification authority, which can be used for many purposes such as identity verification, encryption, digital signature and so on. RA(Registration Authority) is an important part of CA(Certificate Authority), which is responsible for checking the identity and qualification of certificate applicants and issuing RA soft certificates to applicants through digital certificates.

Different from hardware certificate, RA's soft certificate is a software-based encryption technology. RA's soft certificate can be used on different terminals such as computers, mobile phones and tablets, which is flexible and convenient. The validity period of RA's soft certificate is generally 1 year, and users need to reapply before the certificate expires.

RA's soft certificate can be used for identity authentication and digital signature in finance, e-commerce, government agencies and other industries and fields. For example, enterprises can use the soft certificate of RA for network security authentication, thus ensuring the security and reliability of business activities. Government agencies can also use the soft certificate of RA to keep secret and digitally sign the information disclosed on the Internet, so as to improve the credibility of information disclosure.