Nowadays, electronic signatures have been widely used in many fields, and electronic signatures can be used in most scenarios. The 2019 revision of the Electronic Signature Law further expanded the application scope of electronic signatures.

Article 3 of the "Electronic Signature Law"

For contracts or other documents, documents and other documents in civil activities, the parties may agree to use or not use electronic signatures and data messages.

The legal effect of documents agreed by the parties to use electronic signatures and data messages shall not be denied simply because they are in the form of electronic signatures or data messages.

The provisions of the preceding paragraph do not apply to the following documents:

(1) those involving marriage, adoption, inheritance and other personal relationships;

(2) those involving the suspension of water supply, Public utility services such as heating and gas supply;

(3) Other situations stipulated in laws and administrative regulations where electronic documents are not applicable.

In order for an electronic signature to have legal effect, according to the provisions of the "Electronic Signature Law" on reliable electronic signatures, only electronic signatures that "lock the true identity of the contracting party, effectively prevent document tampering, and accurately record the time of the contract" are required. It is a legally valid electronic signature.

Therefore, an electronic signature is not just a picture, but requires a variety of technical guarantees to become legally effective. It is difficult for individuals and ordinary enterprises to possess this technology, and third-party electronic signature platforms have emerged. Common technologies are:

1. Real-name authentication technology: Cooperate with authoritative CA institutions to provide users with CA Certificate, and connected to the eID authentication system of the Ministry of Public Security to confirm the authenticity of the user's identity;

2. Anti-tampering technology: Using internationally accepted hash value technology to solidify the original electronic file data, it can easily identify whether the file has been Tampering;

3. Third-party time retrieval technology: Using advanced third-party time retrieval technology, the signing time can be accurately recorded;

In short, electronic signatures and electronic seals have become digital It is an indispensable tool for office work, and it is also a powerful tool for enterprises to reduce costs and increase efficiency.