Filed April 1, 2019

Serial No. 79271827

Examining Attorney TRACY WHITTAKER BROWN

Class Downloadable computer programs for encryption, transferring, and receiving data with electronic signatures based on blockchain technology; computer hardware apparatus, pre-recorded software, and downloadable software applications for encryption, transferring, and receiving data with electronic signatures; downloadable computer software in particular for the issuance of a digital certificate for electronic signature based on blockchain technology and for authorization of third party information systems to use personal data information; downloadable operating applications for use with mobile devices; downloadable mobile applications for managing data, information, and for transmitting information; downloadable operating applications for use with mobile devices; downloadable computer software for authorizing access to databases; 021; 023; 026; 036; 038; 019; 021; 023; 031; 035; 044; 100; 101; 102; 100; 103; 106; 100; 101; 104; 100; 105; 100; 101; 100; 101