According to today's headline data, this technology can sign and authenticate documents, pictures, videos and other digital content, ensuring that it will not be tampered with, forged or fraudulently used, and ensuring the reliability and authenticity of the content. Manual cross-signature version is often used in contract signing, finance, e-commerce and other fields.

With the development of digital society, the application scope of digital signature technology is more and more extensive. As a digital signature technology, Handu signature version will get more applications and development in the future. This edition usually has unique collection value and aesthetic value. The appearance of Handu signature edition also reflects readers' love and pursuit of writers and works to some extent.