Episode
Arqit Quantum (NASDAQ:ARQQ): Is This $500M Micro-Cap the Best Play on Post-Quantum Cryptography?
- Podcast
- The 7investing Podcast
- Published
- Jun 29, 2026
- Duration seconds
- 1465
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Summary
Want access to all our investing content? Join at 7investing.com/subscribe Join the conversation on the 7investing discord: https://discord.com/invite/PT9ZQqdXXSEvery federal agency in the United States must be quantum-safe by December 2030. That NIST mandate is the starting gun for one of the most under-the-radar investment themes in the market, and Arqit Quantum Inc. (NASDAQ:ARQQ) is positioning itself directly in its path. Simon Erickson and Heather Horton dig into this $500 million micro-cap, its turbulent history, and why it might be one of the most intriguing early-stage ideas on the 7investing watch list.The threat Arqit is solving is real: the encryption that secures virtually all internet traffic today is built on mathematical problems classical computers can't break but quantum computers theoretically can. Arqit's answer is symmetric key encryption (the ARQ19 protocol), delivered through their QuantumCloud platform, which generates real-time quantum-safe encryption keys that a quantum computer couldn't reverse-engineer. Their newest product, Encryption Intelligence, monitors live network traffic for quantum vulnerabilities end-to-end — and Intel (NASDAQ:INTC) has integrated it into their accelerator hardware as a channel partner.The backstory is messy and worth knowing. Arqit raised $400 million in a 2021 SPAC IPO at a $1.4 billion valuation before having a commercial product, on claims from founder David Williams that the technology could secure "every connected device in the world." British cybersecurity researchers disputed those claims, Williams pushed back too hard, and he ultimately stepped down. New CEO Andy Lever, an engineer-turned-operator, has since grounded the company's ambitions in what actually works. The revenue base is tiny: $623,00…