What's the difference between traditional signature and electronic signature?

The difference is that there is no unified expression for the concept of electronic signature. The traditional concept of signature has a unified expression.

There is no unified expression for the concept of electronic signature, which is typical: UNCITRAL Model Law on Electronic Signatures and its guide: Electronic signature refers to the data contained in, attached to or logically related to a data message, which can be used to identify the signer related to the data message and show that the person agrees with the information contained in the data message.

At present, some scholars divide electronic signature into broad sense, narrow sense and compromise (reinforcement): the so-called broad sense electronic signature refers to electronic signature including various electronic means. This concept focuses on the purpose and function of electronic signature, but there is almost no regulation on the technical methods used in electronic signature. All electronic data attached to or logically associated with data telecommunications can be used as electronic signature methods.

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