China's "Electronic Signature Law" stipulates that the management mode of electronic authentication service is compulsory licensing system. People's Republic of China (PRC) Electronic Signature Law stipulates that an electronic signature is an electronic code that can be used to verify the sender's signature or identity online.

It is a long-distance authentication method with temporal and spatial characteristics. Please read the following for details. Electronic signature is generally online signature, which is a remote authentication method with time and space, unlike traditional signature, which guarantees the signer to be on the spot.

Electronic signature itself is a kind of data, and it is difficult to submit the original to the court like a paper signature.

Electronic signatures can be owned by one person, and one will be distributed every time an information system is used, but they only identify one subject; The traditional signature will hardly be forgotten by the signer, but the electronic signature may be forgotten and difficult to remember.

Traditional handwritten signatures can be compared visually, but electronic signatures generally need to be authenticated by computer systems.