Sign the name of the parent.

Signing means writing your own name, especially to express agreement, recognition, responsibility or obligation. Current signatures have more interpretations, such as digital signatures, artistic signatures, etc. Or a celebrity’s meaningful signature, also called a signature. A signature is a type of signature. Because signatures are the most commonly used, signatures are often mistaken for signatures. Traditionally, signature is not synonymous with signature.

The signature should be readable, but the signature does not need to be readable. People have certain requirements for signatures. Signatures represent consent and produce legal effect, which legally gives the document authenticity.

Authors can identify themselves through digital signatures, and readers can verify the author's identity through digital signatures. Since the storage, transmission and processing of information are often carried out on open communication networks, information is more vulnerable to attacks from external or internal eavesdropping, interception, modification, forgery and replay.