What does Beijing Digital Certified Media Number mean?

The unique identification number of the digital certificate. Beijing Digital Authentication Co., Ltd. is the first electronic authentication service provider with license qualification. Media number (Media Number) refers to the number that uniquely identifies the identity of the issuer and the holder in order to ensure the uniqueness and security of the digital certificate in the authentication service of the digital certificate system. To sum up, the media number of Beijing Digital Certification refers to the number of the digital certificate certified by Beijing Digital Certification Co., Ltd.