The OkeyDocs app aims to provide an efficient and user-friendly solution for users when transferring electronic documents. Unlike other systems that use cumbersome procedures such as a code to be entered manually by the user that is received via SMS, or the need to access the website of the entity providing the service to authorise the transaction, this project establishes two links, one telematic and the other via a connection with a smartphone that establishes a new, clearly differentiated physical channel for the transmission of the second part of the information
