OTP SMS Signature

OTP SMS signature is based on a one-time-password code, generated from the hash of the document to be signed, and sent to the signatory’s smartphone via text message. The verification code generated by Viafirma is a random algorithm used for the content of the document to be signed (hash), proving that this OTP code relates to a specific document

Example of setup for this kind of evidence:

During the signing process, the signatory will receive the following instructions:

SMS code to be entered:

Once signed, the evidence will be displayed as follows:

Information collected during the signing process that can be viewed from the document if the option “Add public link to evidence” is enabled in the evidence:

This information will be available at all times from the platform.


Is OTP SMS legally binding?

Should you have any questions, please contact us to: helpdesk@viafirma.com