Arqit SKA-Platform vs SpeQtral: Side-by-Side Comparison (2026)

Arqit SKA-Platform: Quantum-safe key agreement platform for securing comms across endpoints. built by Arqit. Core capabilities include Dynamic quantum-safe encryption key generation at endpoints via lightweight software agents, Over-the-Air (OTA) bootstrap key delivery using NIST ML-KEM post-quantum algorithms, Mutual authentication with per-session key rotation for perfect forward secrecy..

SpeQtral: QKD platform combining satellite & fibre to secure comms against quantum threats. built by SpeQtral. Core capabilities include Fibre-based QKD for metropolitan networks, Satellite-based QKD for long-distance key distribution, Entanglement-based symmetric encryption key generation..

Both serve the Quantum Security market but differ in approach, feature depth, and target audience.

Arqit SKA-Platform differentiates with Dynamic quantum-safe encryption key generation at endpoints via lightweight software agents, Over-the-Air (OTA) bootstrap key delivery using NIST ML-KEM post-quantum algorithms, Mutual authentication with per-session key rotation for perfect forward secrecy. SpeQtral differentiates with Fibre-based QKD for metropolitan networks, Satellite-based QKD for long-distance key distribution, Entanglement-based symmetric encryption key generation.

Arqit SKA-Platform is developed by Arqit. SpeQtral is developed by SpeQtral. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Arqit SKA-Platform and SpeQtral serve similar Quantum Security use cases: both are Quantum Security tools, both cover Quantum Safe, Encryption. Review the feature comparison above to determine which fits your requirements.