2024-07-16 00:00:00 VALIDAR, the official electronic signature validation service provided by the National Institute of Information Technology - ITI, is also available in app format. With the help of VALIDATE QR CODE, you will be able to validate electronic signatures of documents accessible by QR Code and identify and validate electronic signatures of attribute certificates that are represented by QR Code. Additionally, if the document is on that device, you can submit the file directly or open the PDF and use the “share with” option to VALIDATE QR CODE.