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Vendor comparison · 4 companies

CryptoNext Security, EigenQ, IDEMIA and PQShield

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CryptoNext Security, EigenQ, IDEMIA and PQShield Compared
CryptoNext SecurityCryptoNext Security develops post-quantum cryptography (PQC) and crypto-agility software that helps organizations inventory, assess and migrate their cryptographic systems to quantum-resistant algorithms.cryptonext-security.comEigenQEigenQ sells PQC+™, a hardware card that adds post-quantum cryptography, quantum-generated randomness and hardware-rooted device identity to servers and infrastructure customers already run.eigenq.comIDEMIAIDEMIA offers a cybersecurity suite called IDEMIA Sphere, which includes a Hardware Security Module, quantum-ready cryptographic libraries, and post-quantum security consulting services aimed at helping organizations secure data and prepare for post-quantum encryption requirements.idemia.comPQShieldPQShield is a cybersecurity company specialising in post-quantum cryptography.pqshield.com
What it sells
  • PQC Evaluation ToolboxA tool to test an organization's use cases under post-quantum conditions.
  • Discovery & Inventory ToolMaps and manages an organization's cryptographic assets and gaps.
  • Discovery On DemandA targeted cryptography assessment service delivered within two weeks.
  • PQC LibraryA cryptography library used to protect systems with post-quantum algorithms.
  • Crypto-Agility ManagementSoftware to implement and control agile cryptography policies.
  • CryptoNext Quantum Safe Remediation Suite (C-QSR)A multi-layer software suite with cryptographic libraries, protocols, integration tools and crypto-agile management modules for migrating IT/OT systems to quantum-safe cryptography.
  • PQC+™[1]A PCIe or M.2 card that adds hybrid post-quantum cryptography, quantum-generated entropy, hardware-rooted device identity and crypto agility to servers already in use.
  • Hardware Security Module (HSM)[1]A hardware module, part of the IDEMIA Sphere suite, used to protect cryptographic keys and secure digital transactions.
  • Quantum-ready cryptographic libraries[1]Cryptographic software libraries designed to support algorithms intended to resist future quantum computing attacks.
  • Post-Quantum Security Consulting[1]Advisory service that helps organizations plan and migrate their cryptography toward post-quantum standards.
  • UltraPQ-Suite[5]A portfolio of specialized post-quantum cryptography solutions for real-world deployment.
  • PQPlatform-TrustSys[1][5]A PQC-first Root of Trust solution for ASIC and FPGA hardware.
Categories
Headquarters
Paris, France[2]Not stated on its pagesNot stated on its pagesUnited Kingdom[2]
Founded
2019[1]Not stated on its pagesNot stated on its pagesNot stated on its pages
Ownership and funding
Privately heldNot stated on its pagesNot stated on its pagesPrivately held
Named customers
Not stated on its pagesNot stated on its pagesNot stated on its pagesNot stated on its pages
Recent news
Not stated on its pagesNot stated on its pages
  • September 28, 2026IDEMIA Secure Transactions announced that it is opening agentic commerce to all payment schemes.[3]
  • September 22, 2026IDEMIA Secure Transactions and Monizze announced sovereign mobile payments for employee benefits in Belgium.[2]
  • April 29, 2026Amadeus is to buy IDEMIA Public Security, a French biometrics firm, in a deal valued at $1.4 billion.[6]
Not stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetNot written yetNot written yetNot written yet
Last verified
October 23, 2026November 3, 2026October 14, 2026November 2, 2026

About CryptoNext Security

CryptoNext Security develops post-quantum cryptography (PQC) and crypto-agility software that helps organizations inventory, assess and migrate their cryptographic systems to quantum-resistant algorithms. The company is headquartered in Paris, France, and was founded in 2019 following academic research spun off from Inria and Sorbonne University. It is privately held and has raised venture funding, including an 11 million euro round in 2023 led by AXA Venture Partners and Quantonation with participation from Auriga Cyber Ventures.

CryptoNext Security on the record

Sources

CryptoNext Security full record

  1. [1]AboutCryptoNext Security · cryptonext-security.com · undated page, accessed October 23, 2026 · Tier A
  2. [2]Cryptonext security raises 11me to reinforce leadership in post quantum cryptographyCryptoNext Security · cryptonext-security.com · published November 30, 2023 · Tier A

EigenQ full record

  1. [1]eigenq.comEigenQ · eigenq.com · undated page, accessed November 3, 2026 · Tier A

IDEMIA full record

  1. [1]CybersecurityIDEMIA · idemia.com · undated page, accessed October 14, 2026 · Tier A
  2. [2]Monizze and IDEMIA Secure Transactions Bring Sovereign Mobile Payments for Employee Benefits in BelgiumIDEMIA · published September 22, 2026 · Tier A
  3. [3]IDEMIA Secure Transactions Opens Agentic Commerce to All Payment SchemesIDEMIA · published September 28, 2026 · Tier A
  4. [4]IDEMIA Public Security and Indicio Launch Interoperable Identity Verification Solution Targeted to Advance Trust in Financial ServicesIDEMIA North America · published March 19, 2026 · Tier A
  5. [5]IDEMIA Secure Transactions Appoints Two Executives to Advance Payments Across Physical and DigitalIDEMIA · published April 9, 2026 · Tier A
  6. [6]Amadeus to buy French biometrics firm Idemia Public Security for $1.4 billionReuters · published April 29, 2026 · Tier B

PQShield full record

  1. [1]pqshield.comPQShield · pqshield.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Pqshield raises 37m in series b funding to deliver the widespread commercial adoption of quantum resistant cryptography 302175607PQShield via PR Newswire · prnewswire.com · published June 20, 2024 · Tier A
  3. [3]PQShield and Kudelski Security Partner to Address Quantum Threat | PQShieldPQShield · published September 29, 2021 · Tier A
  4. [4]Post-quantum Cryptography Experts | Quantum-safe & Quantum-resistant SolutionsPQShield · undated page, accessed October 27, 2026 · Tier A
  5. [5]Post-Quantum Cryptography Solutions | PQShieldPQShield · published April 24, 2025 · Tier A
  6. [6]We are attending, WEF - Annual Meetings of the Global Future Councils and Cybersecurity, 14 Oct | PQShieldPQShield · published October 14, 2025 · Tier A
  7. [7]We are speaking: Security Privacy Identity & Trust (SPIT) SIG event, Cambridge, 28 January 2025 | PQShieldPQShield · published January 28, 2025 · Tier A
  8. [8]We are judging at - Cyber Security Awareness Week Europe, 7-8 November 2024 | PQShieldPQShield · published November 7, 2024 · Tier A

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