Quantumspace delivers end-to-end quantum‑secure communications for government, enterprise, and critical infrastructure by integrating quantum key distribution (QKD) over fiber and space with high‑bandwidth optical laser links and satellite‑ready post‑quantum cryptography.
Funding
Funding not disclosed
Founders
Product
Problem
Current encryption key exchange in satellite and terrestrial networks relies on mathematically based algorithms transmitted over open channels, making them vulnerable to interception and future decryption by quantum computers. As data volumes and satellite constellations grow, the window for “harvest‑now, decrypt‑later” attacks widens, threatening government, enterprise, and critical infrastructure communications.
Solution
Quantumspace provides an end‑to‑end quantum‑secure communications layer that combines quantum key distribution (QKD) over fiber and free‑space links with high‑bandwidth optical laser communication and satellite‑ready post‑quantum cryptography (PQC). A compact SATQKD transmitter can be integrated into any satellite, while precision optical ground stations handle key exchange and high‑speed data downlink, keeping satellite payloads simple. The system delivers physics‑based, single‑photon keys that are detectable if intercepted, and automatically rotates keys based on quantum bit error rate (QBER) thresholds. A dedicated key‑management service (KMS) integrates these keys with existing VPN, HSM, and application workflows, providing continuous, quantum‑resistant protection for data in transit and at rest.
Target Audience
Primary customers are government and defense communication backbones, central banks and financial exchanges, telecom operators for backhaul and data‑center interconnects, and enterprises requiring high‑assurance, quantum‑resistant networks.
Features
- SATQKD module: space‑qualified, compact transmitter that adds QKD capability to any satellite platform
- Optical ground station with fine pointing, acquisition, and tracking (PAT) for reliable quantum key exchange and high‑speed laser downlink
- Multi‑gigabit laser communication link supporting both quantum‑secure key transfer and bulk data transmission
- PQC‑SAT package implementing NIST‑approved post‑quantum algorithms to harden classical satellite links
- Integrated KMS platform that issues, distributes, and rotates keys (XOR‑combined where needed) with HSM‑backed root material and audit trails
- Automated key rotation and re‑keying triggered by QBER thresholds and environmental monitoring
- End‑to‑end compatibility with existing VPNs, HSMs, and security infrastructures for seamless deployment