Horizen Secure And Super Node tracking app This application is installed on a Secure Node or a Super Node to allow it to communicate with its corresponding zensystem.io tracking server. It provides data to the server about the node and performs compliance challenges. Jan 25, 2019 Horizen. Horizen is a rebranded ZenCash. The cryptocurrency focuses on the privacy of users and their transactions. In addition, developers want to give a possibility to every user to create apps on network sidechains and use them in the real world. Horizen has two types of masternodes: Securenode (ZEN-42) and Supernode (ZEN-500).