Arqit and Sparkle achieve quantum-resistant encryption at the speed of light
Arqit Quantum Inc. (ARQQ)
Company Research
Source: GlobeNewswire
LONDON, Dec. 03, 2025 (GLOBE NEWSWIRE) -- Arqit Quantum Inc. (NASDAQ: ARQQ, “Arqit”), a global leader in quantum-safe encryption, and Sparkle, a Tier 1 global telecoms operator, have successfully demonstrated quantum-resilient data transmission across Sparkle’s optical network in Greece. The proof of concept (POC), implemented over Sparkle metropolitan optical ring in Athens, shows how Arqit’s encryption technology can be embedded directly into the optical transport layer, protecting high-capacity networks against future quantum threats without impacting performance. Sparkle validated that sensitive data can be secured at the physical network layer without compromising performance. Following the deployment of Arqit’s technology, end-to-end encryption was successfully applied to multi-100G optical links. This demonstrated that quantum-resistant protection can be delivered at the speed of light, ensuring ultra-secure data transmission without compromising performance. Key Highlight
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News
- Arqit and Sparkle achieve quantum-resistant encryption at the speed of light [Yahoo! Finance]Yahoo! Finance
- Arqit Quantum Inc. Sets Fiscal year 2025 Conference Call for Tuesday, December 9, 2025 at 11:00 a.m. ET [Yahoo! Finance]Yahoo! Finance
- Arqit Quantum Inc. Sets Fiscal year 2025 Conference Call for Tuesday, December 9, 2025 at 11:00 a.m. ETGlobeNewswire
- Arqit Quantum: Renewed Interest Meets Harsh Fundamentals [Seeking Alpha]Seeking Alpha
- Arqit Quantum (ARQQ): A Fresh Look at Valuation Following New Quantum-Safe Platform Launch and Contract Wins [Yahoo! Finance]Yahoo! Finance
ARQQ
Analyst Actions
- 9/18/25 - HC Wainwright
ARQQ
Sec Filings
- 11/12/25 - Form SCHEDULE
- 11/4/25 - Form 144
- 10/21/25 - Form 6-K
- ARQQ's page on the SEC website