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Quantum Bridge secures $8M Series A for Distributed Symmetric Key Establishment protocol deployment

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Quantum Bridge, a Toronto-based cybersecurity firm specializing in quantum-safe cryptography, announced $8 million in Series A funding, bringing total investment to $16 million. The company’s Distributed Symmetric Key Establishment (DSKE) protocol automates symmetric key creation and distribution using pre-shared random data and secret-sharing across Security Hubs, ensuring no single hub holds the complete key. This architecture mitigates both classical and quantum computing threats. Quantum Bridge’s Symmetric-Key Distribution System (SDS) combines DSKE with post-quantum cryptography (PQC) and quantum key distribution (QKD) into a crypto-agile platform deployable on existing network infrastructure via Ansible-based automation.

Timeline

  1. 20.05.2026 18:45 1 articles · 3h ago

    $8M Series A funding secured by Quantum Bridge for quantum-safe cryptographic platform expansion

    Quantum Bridge announced $8 million in Series A funding, increasing total raised to $16 million, led by Wayra (Telefónica), Cadenza VC, Club degli Investitori, HPE, and Bacchus Venture Capital. The capital will support development and deployment of the company’s Distributed Symmetric Key Establishment (DSKE) protocol and Symmetric-Key Distribution System (SDS), a quantum-safe, crypto-agile key distribution platform designed for integration into existing network infrastructures.

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