Fuente: Wipo "digitalization" Methods, systems, and apparatus, including computer programs encoded on computer storage media, for creating secure browser cookies. One of the methods includes providing an encrypted cookie request that requests encryption of a cookie of the digital component provider and includes a digital component request identifier; receiving an encrypted cookie generated by encrypting the cookie using the digital component request identifier and an encryption key, wherein the encrypted cookie is configured for inclusion in a request for digital components from the digital component provider for presentation on the webpage; generating a digital component request for digital components that includes the encrypted cookie and requests identification of a digital component selected for presentation on the webpage using the encrypted cookie; and transmitting the digital component request that includes the encrypted cookie and requests identification of a digital component selected for presentation on the webpage using the encrypted cookie.