electronic seal is an additional form of seal appearance when electronic signature is made. In short, electronic seal is the manifestation of electronic signature. According to Article 2 of the Electronic Signature Law of the People's Republic of China, an electronic signature refers to the data contained in a data message in electronic form and attached to identify the signer and show that the signer approves the contents. Therefore, the electronic seal is a kind of electronic code data, which can be used to verify the identity of the parties and show their confirmation of the authenticity and validity of the information.

when banks use electronic signatures in online business, they must follow the conditions of reliable electronic signatures stipulated in the Electronic Signature Law, verify electronic signatures and identify themselves every time they conduct online transactions with customers, and pay attention to retaining the message data of online submission and confirmation of electronic contracts by customers, and solidify and present electronic evidence through technical measures in line with national standards to ensure the undeniable transaction contracts.