Authentication, issuance and validation of digital certificates; Authentication in the field of academic documents and academic achievements; Electric document and e-mail authentication services; Computer security services in the nature of providing authentication, issuance, validation and revocation of digital certificates; Design and implementation of software and technology solutions for the purpose of product and document authentication and tracking, and brand monitoring and protection, to protect against counterfeiting, tampering, and diversion, and to ensure the integrity of genuine products and documents