Da Help Online
To access certain electronic markets, it is necessary for users to use digital certificates to be authenticated on the platform.
You can also use only the certificate to log in in the platform without entering your user name or password.
The Digital Authentication Certificates are mandatory, under the Article 26 º from Order 701-G/2008 from the Portuguese legislation, for the authentication (Log in) effects on electronic contracting platforms.
The identification of all users on the electronic platforms takes place through the use of digital certificates.