Updated Nov 3, 2025 · v1.0.102
Quantum-resistant E2EE communication tools built by former SpaceX engineers
Cyph is a quantum-resistant secure communication tool designed to be friendly for users of any technical skill level. The technology underpinning Cyph — built by former SpaceX engineers, presented at Black Hat and DEF CON, and protected by several US patents — has been rigorously vetted with great success by German pentesting firm Cure53 against a threat model that focuses on nation-state-level attacks. Staying safe online has never been so easy.
7 years on Google Play
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