zerothird secures the world’s most critical infrastructure with entanglement-based cryptography, designed to resist both classical and quantum attacks.
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Born from Nobel-Prize-winning research in entanglement and detection, keys are generated locally from entangled states—no key transmission, no exposure. Our systems don’t rely on algorithms or trust assumptions. With flexible delivery models and future-proof hardware, we enable critical infrastructure, enterprises, and governments to secure what’s irreplaceable—now and for decades to come.
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Algorithmic approaches to quantum security only delay decryption risks. zerothird’s entangled QKD solution derives identical keys by distributing entangled photons to all endpoints, where correlated measurements instantly reveal any eavesdropping attempt. That’s not theory, that’s pure physics—and it’s available today.