Electronic bidding is a specific scene application in internet plus era. With the help of electronic signature and digital signature technology, the online change of seals and signatures of various documents is solved, and the paperless closed loop of the whole bidding process is realized.

There are several difficulties in changing from traditional bidding mode to electronic bidding:

How to confirm the identity of the bidder?

How to keep the contents of bidding documents confidential?

How to stamp and sign documents online?

With the formal implementation of Electronic Signature Law in 2005, a reliable electronic signature has the same legal effect as signature and seal, which provides technical support for stamping and signing in the process of electronic bidding.

1. In the bidding process, the tenderee and the bidder pass CA identity authentication to realize the authenticity and validity of online identity;

2. With the help of digital signature technology, all kinds of documents such as bidding publicity, enterprise qualification certificate, bidding documents and bid evaluation opinions can be submitted and stamped online, which has the characteristics of effective signature identity and unchangeable content;

3. In the transmission process of documents such as tenders, various information encryption technologies can be used to ensure the security of documents such as tenders.

Therefore, the whole process of electronic bidding is paperless and closed-loop: