Choose reliable electronic signature, standard signature process, tamper-proof timestamp and key information storage, so it is recommended to choose a safe and qualified third-party electronic contract platform.

The Electronic Signature Law stipulates that a reliable electronic signature has the same legal effect as a handwritten signature or seal. "Reliable electronic signature" requires:

(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.

So choose a reliable third-party platform, as shown in the figure below.