Currently, information is of crucial importance in commercial transactions, especially in the legal traffic of goods. Thus, in the contractual world, there will always be a better informed subject, who is usually the seller, thus originating the great problem of informational asymmetry and consequently the violation of legal security. Taking into account this sequence, there is a public entity, whose main function is to eliminate the informational asymmetry between the contracting parties in all the legal dimensions in which it operates. (CINDER I., 2014): The National Superintendency of Public Registries -SUNARP. And being the State in charge of organizing and administering the registration and advertising registration services, one might wonder if the policy of opening open data applied to the information held by the Public Registries reinforces the legal security in real estate traffi...