Electronic signature refers to the data contained in the data message in electronic form and accompanied by data used to identify the identity of the signer and show that the signer approves its content.

Generally speaking, electronic signature is an electronic signature of electronic documents through cryptographic technology, which is not a digital visualization of written signature, but similar to handwritten signature or seal, and can also be said to be an electronic seal. The purpose of electronic signature is to sign the electronic version of Mid-Autumn Festival greeting cards, invitations and construction contracts.

Extended data:

Electronic invoices are more convenient to store, query and access, and also facilitate e-commerce websites to provide consumers with more convenient services. Moreover, it can reduce the waste of paper invoices, reduce deforestation, be more environmentally friendly, and conform to the future development of mankind.

The introduction of online invoices is an inevitable way for the state to regulate e-commerce tax payment, which is conducive to the state's supervision of online transactions and to safeguarding the legitimate rights and interests of consumers.

Reference materials? Baidu encyclopedia-electronic signature