Its management and use conform to the habit and experience of entity seal, and its stamped electronic documents have the same appearance, the same effect and similar uses as the paper documents stamped with entity seal.

Long before the promulgation and implementation of China's Electronic Signature Law, electronic seals appeared. In the middle and late 1990s, as the traditional office mode gradually changed to the information office mode, the circulation form of paper documents also changed to the circulation form of electronic documents.

The Pin code of the CA lock is the password of the CA lock.

When dealing with CA locks, there is usually an initial password (initial Pin code). When we use CA lock to generate bidding documents, log on to public resources websites and sign bidding documents, we need to enter the Pin code of CA lock.

It should be noted that if the Pin code of the CA lock is entered incorrectly, it will be locked for many times. After the Pin code of CA lock is locked (CA lock is locked), you need to contact CA company or lock issuer to unlock it. Generally, you need to get it to the unlocking site to unlock it.