Certizen Limited is the operator of Hongkong Post e-Cert services, providing full e-Cert services. We combine public key infrastructure (PKI) with blockchain technology to provide comprehensive e-Cert solutions of digital signing, information encryption and electronic identity.
Website: https://www.certizen.com/
Tel: (852) 2121 2121
Address: Units 908-915, L9, Core F, Cyberport 3, 100 Cyberport Road, Hong Kong