If the electronic signer or electronic signature relying party suffers losses in civil activities based on the electronic signature authentication service provided by the electronic authentication service provider, and the electronic authentication service provider cannot prove his innocence, he shall be liable for compensation. This is stipulated by the electronic signature law. And this law sets strict conditions for electronic authentication service providers. According to the law, the electronic signature certificate issued by the electronic certification service provider should be accurate. The electronic authentication service provider shall ensure that the contents of the electronic signature authentication certificate are complete and accurate within the validity period, and ensure that the relying party of the electronic signature can confirm or understand the contents contained in the electronic signature authentication certificate and other related matters.