You can sign with a digital signature. In addition, if you hand-write your signature on the screen and print it out, it is a copy, but not the original. People can imitate it and copy it, so it has no legal effect. At present, legal documents are signed remotely, and electronic contracts are signed with digital signatures. You can go to the wosigndoc electronic contract signing platform.

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.

Electronic signature is the electronic signature of electronic documents through cryptographic technology, rather than the digital visualization of written signatures, which is similar to handwritten signatures or seals, and can also be said to be electronic seals. The purpose of electronic signature is to sign the electronic version of Mid-Autumn Festival greeting cards, invitations and construction contracts.

Real-name registration system reasons for electronic signature:

"Real-name authentication+identity authentication" guarantees the exclusive right and control of electronic signature, which is a necessary condition for a reliable electronic signature.

Real-name authentication needs a huge information base of citizens or enterprises as supporting information, and it must be queried through official data channels. Official websites such as the Ministry of Public Security allow enterprises to call the official API interface in their identity authentication system to obtain the authentication results of identity information.