Handwritten information refers to the content information signed, sealed or handwritten on paper documents. It usually contains important information such as authentication, authorization and confirmation of documents, and has legal effect.

Handwritten information is widely used in real life, such as contracts, power of attorney, letters and so on. With the advent of the digital age, more and more handwritten information is stored digitally, such as electronic signatures and digital signatures. This can improve the security and convenience of information, and also reduce the use and storage costs of paper documents.

However, the security and reliability of handwritten information should also be paid attention to when it is stored digitally. Especially on the Internet, information leakage and tampering are inevitable risks. Therefore, when storing handwritten information digitally, security encryption technology, such as digital certificate and SSL protocol, should be adopted to improve the security and reliability of information.

In addition, the protection and use of handwritten information also need to comply with relevant laws, regulations and industry standards. For example, personal information protection law, electronic signature law and so on. At the same time, when using handwritten information, we also need to pay attention to related matters, such as the date of signature, the identity of the signer, and the validity period of the signature. To ensure the legitimacy and reliability of handwritten information.

To sum up, handwritten information is an important way of authentication and authorization. In digital storage, we should pay attention to the security and reliability of information, and at the same time follow relevant laws, regulations and industry standards.