Under the Law on E-Transactions, an e-signature (chữ ký điện tử) is defined as being created in the form of words, script, numerals, symbols, sounds or in other forms by electronic means, logically attached or associated with a data message, and being capable of identifying the person who has signed the data message, and being capable of identifying the consent of that signatory to the contents of the signed data message.
According to Article 24.1 of the Law on E-Transactions, an e-signature of an individual affixed to a data message will be legally equivalent to the signature of such individual affixed to a written document if:
· the method of creating the e-signature permits to identify the signatory and to indicate his/her approval of the contents of the data message; and
· such method is sufficiently reliable and appropriate to the purpose for which the data message was originated and sent.
Accordingly, if an user being an individual of an e-commerce website, who can be identified by his/her username, password, and other means of verification (e.g., OTP code), clicks on a confirmation button of an online order then such action can be regarded as creating and affixing an e-signature to the online order by the individual user. This is because: