Legal analysis: If there is no invalid reason stipulated in People's Republic of China (PRC) Civil Code, an electronic contract and a paper contract have the same legal effect. The main reasons for the invalidity stipulated in the Civil Code of People's Republic of China (PRC) are: 1, the civil juristic act carried out by a person without civil capacity is invalid, 2, the false civil juristic act carried out by the actor and the counterpart is invalid; 3. A civil juristic act that violates the mandatory provisions of laws and administrative regulations is invalid. However, unless the mandatory provisions will not lead to the invalidity of civil legal acts, 4. A civil legal act that violates public order and good customs is invalid. 5. A civil legal act in which the actor colludes with the counterpart maliciously and damages the legitimate rights and interests of others is invalid.

Legal basis: Article 14 of People's Republic of China (PRC) Electronic Signature Law * * * A reliable electronic signature has the same legal effect as a handwritten signature or seal.

Article 2 The term "electronic signature" as mentioned in this Law refers to the data contained in a data message to identify the identity of the signer and show that the signer approves its contents. The term "data message" as mentioned in this Law refers to information generated, sent, received or stored by electronic, optical, magnetic or similar means.

Thirteenth electronic signatures meet the following conditions at the same time, as reliable:

(1) When the electronic signature production data is used for electronic signature, it belongs to the exclusive rights of the electronic signer;

(2) When signing, the electronic signature production data is only controlled by the electronic signer;

(3) Any changes to the electronic signature after signature can be found;

(4) Any changes to the content and form of the data message after signature can be found.

The parties can also choose to use electronic signatures that meet their agreed reliable conditions.