What is the difference between electronic signature and traditional signature in the scope of legal effect?

If it is a professional and compliant electronic signature company (with many customers), then their products have the same legal effect as traditional signatures. The way to judge whether the electronic signature is compliant can be observed from the following points:

(1) When electronic signature production data is used for electronic signature, it belongs exclusively to 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.

A reliable electronic signature must be able to identify the identity of the signer and show that the signer approves the content of the data message, so as to realize the tamper-proof of the content and time and ensure the continuous authenticity of the electronic signature and the electronic contract.

Therefore, electronic signature service providers need to combine identity authentication, digital authentication, trusted timestamp, blockchain and other technical means to achieve a more mature and reliable electronic signature technical solution, which will be gradually confirmed and recognized in judicial practice. Zhangkeduo is a legal and compliant service provider, and its electronic signature product, Zhangkeduo, must be signed if it is overcharged, creating a complete closed evidence chain, which greatly protects the legitimate rights and interests of both parties.