Fuente: Wipo "digitalization" A secure electronic interaction system comprising an identity broker, a service provider, and a client, wherein a connection is established between the client and the service provider through: the client sending a certificate to the service provider; the service provider identifying an identity broker; the service provider sending certificate information to the identity broker; the identity broker using the certificate information to access information of a digital identity that is linked to the client; the identity broker sending, to the service provider, information about the digital identity; and the service provider using the information to determine whether or not to allow a connection with the client.