Top 50 Post Quantum Cryptography

The startup develops post-quantum encryption technology to secure sensitive data communication channels for government and enterprise applications. Its solutions include a suite of encryption tools and migration services that protect digital communications and assets against potential quantum computing threats.

This startup provides a SaaS platform that helps organizations transition to post-quantum cryptography. Their solution offers tools for cryptographic inventory, risk assessment, and migration to quantum-resistant algorithms, ensuring data security against future quantum computing threats.

This company provides an integrated platform for managing post-quantum cryptography (PQC) readiness across enterprise and defense systems. The platform automates cryptographic asset discovery, enables crypto-agility for remediation without system downtime, and generates compliance reports like the Cryptographic Bill of Materials (CBOM). This solution simplifies the transition to quantum-safe encryption while maintaining continuous visibility and control over cryptographic infrastructure.

Quantum Foundry provides end‑to‑end quantum‑secure networking that retrofits existing data‑center and telecom infrastructure with post‑quantum cryptography (PQC) and quantum key distribution (QKD). It integrates hardware accelerators and software stacks supporting NIST‑approved PQC algorithms, offers 24/7 managed security services, and automates compliance reporting for standards such as CNSA 2.0 and NIST PQC.

Liangan Technology develops a full range of post-quantum cryptographic products, including hardware security modules and key management systems, to protect sensitive data against emerging quantum computing threats. The company serves sectors such as government, finance, and healthcare, ensuring robust data security and compliance with national standards.

PQShield develops post-quantum cryptographic algorithms and protocols to secure technology infrastructures against the emerging threat of quantum computing. Their solutions enable organizations to modernize their cryptographic systems, ensuring compliance with NIST standards and protecting sensitive data from potential breaches.

CryptoNext Security develops post-quantum cryptography solutions that manage the lifecycle of cryptographic migration to protect IT infrastructures from the threats posed by quantum computing. Their technology enables organizations to discover, remediate, and manage cryptographic systems, ensuring long-term resilience against potential breaches.

CyberSeQ provides a platform for automating migration to post-quantum cryptography (PQC) through discovery, planning, and AI-enabled refactoring tools. The platform integrates quantum-enhanced analytics (Q-SIEM) and dynamic risk management mapped to major compliance frameworks like NIST and ISO 27001. It unifies telemetry across multi-cloud and DevSecOps environments to deliver a measurable quantum resilience score.

Kolm Shield delivers a unified, quantum‑resistant security platform for financial infrastructure, including exchanges, cross‑chain protocols, and institutional settlement systems. The solution integrates NIST‑standardized post‑quantum algorithms, adaptive threat intelligence, and a single low‑latency API to protect against current cyber threats and future quantum decryption risks, monetized through subscription licensing and usage‑based fees.

QNu Labs provides quantum cryptography solutions, including Quantum Key Distribution (QKD) and Quantum Random Number Generation (QRNG), to protect sensitive data from the vulnerabilities posed by quantum computing. Their technology addresses the risk of classical encryption methods being compromised, ensuring secure communication and robust key management for critical infrastructure.

Arqit provides a software‑only, quantum‑safe encryption platform that adds hybrid post‑quantum cryptography to existing TLS/IPsec stacks across on‑premise, cloud, and edge environments. The solution offers API‑driven cryptographic agility, centralized zero‑trust policy management, and compliance‑ready audit logging without requiring additional hardware.

QBitShield offers a developer platform with an API and SDK for generating and testing post-quantum cryptography keys. It integrates NIST PQC algorithms like ML-KEM and ML-DSA, allowing developers to build and validate quantum-safe applications with built-in statistical testing and key lifecycle management.

Quantum One provides a hybrid blockchain platform that combines classical ledger protocols with quantum computing resources, using NIST‑approved post‑quantum cryptography and a Proof of Quantum Work consensus to secure transactions against quantum attacks. The solution includes a RESTful API bridge for interoperability with existing blockchains and an integrated AI layer that distributes machine‑learning workloads across quantum and classical processors, targeting large enterprises in regulated sectors.

Quantum Bridge develops a quantum-safe key distribution system that protects critical data and infrastructure from cyber threats. By leveraging quantum technology, the company ensures secure data exchange and processing, enabling organizations to maintain robust security in an evolving digital landscape.

Quantinuum develops a full-stack quantum computing platform that integrates advanced quantum hardware and software to enhance computational capabilities in fields such as chemistry, finance, and cybersecurity. The company addresses the need for reliable quantum solutions by providing tools that enable enterprises to prepare for post-quantum cryptography and drive breakthroughs in complex problem-solving.

Exatect provides the ExaQUBE platform that continuously scans enterprise data fabrics for cryptographic weaknesses, automates post‑quantum algorithm deployment, and manages key rotation without downtime. The solution offers API‑driven integration, real‑time compliance dashboards, and 24/7 managed security operations for large cloud, telecom, and supply‑chain environments.

Qtonic Quantum offers QScout, an agent‑less service that scans an enterprise’s external and internal environments to inventory cryptographic assets and assign risk scores based on their susceptibility to quantum attacks. The platform delivers a cryptographic bill of materials, compliance‑ready reports, and a prioritized migration roadmap aligned with NIST post‑quantum standards, with continuous validation to track remediation progress.

AllSecureX provides an AI-driven platform for post-quantum cryptography (PQC) discovery and enforcement. The system identifies quantum-vulnerable cryptography and enables migration to quantum-safe standards using production-ready APIs without requiring hardware changes or rewrites. It also offers cyber risk quantification and managed key lifecycle services for cryptographic resilience.

SpeQtral develops quantum key distribution (QKD) solutions using both terrestrial fiber and satellite technology to create secure communication networks that protect sensitive data from quantum computing threats. By generating and transmitting un-hackable symmetric quantum keys, SpeQtral ensures the integrity of communications for governments and corporations in the face of evolving cyber risks.

The startup provides a secure fiber-optic network that enables inter-institutional collaboration through quantum-safe communication, utilizing Quantum Key Distribution (QKD) technology. This infrastructure accelerates the integration of quantum computing and sensing applications, fostering partnerships among public and private entities in the Midwest.

Project Eleven develops cryptographic solutions designed to secure digital assets against threats posed by quantum computing advancements. The company focuses on providing post-quantum cryptography tools to protect sensitive data and infrastructure. Their offerings ensure long-term data integrity and security in the evolving threat landscape.

This startup provides quantum-resistant cryptographic solutions to protect data and communications from future quantum computing threats. They offer tools and services to help organizations assess their quantum risk, implement quantum-safe algorithms, and build a secure ecosystem.

<name>Ponos Technology</name> <description>PonosTechnology designs RISC‑V based CryptoCPU processors and post‑quantum cryptographic IP that accelerate zero‑knowledge proof and fully homomorphic encryption workloads. It offers FPGA‑enabled proving infrastructure and hardware‑software co‑design services to deliver high‑throughput, low‑latency verification for blockchain and enterprise security applications. The company’s solutions target cost‑effective, scalable deployment of quantum‑resistant cryptography in ASIC and FPGA platforms.

House of Mason Publishing develops ceremonial technologies and operational financial systems for post‑quantum defense environments, focusing on entanglement‑resilient infrastructure, symbolic control interfaces, and metaphysical oversight protocols. Its products enable defense organizations to manage strategic coherence across quantum‑linked domains, monetizing through contracts and licensing of its specialized hardware, software, and consulting services. The company targets sovereign and intelligence clients seeking continuity‑focused architectures that integrate perception, energy, and information security.

Blerify provides a platform for issuing and verifying digital credentials, benefits, vouchers, and e-signatures using digital ID wallets. This system leverages global standards to ensure secure, private, and interoperable digital interactions for various industries. The infrastructure utilizes post-quantum cryptography to establish trust and allow users granular control over shared personal data.

QANplatform is a quantum-resistant hybrid blockchain that enables developers to create smart contracts and Web3 applications in any programming language, ensuring compatibility with existing systems. It addresses the vulnerability of current blockchain technologies to quantum attacks while providing high transaction speeds and low deployment times.

High Entropy Security develops advanced cryptographic protocols to fortify Public Key Infrastructures against emerging threats, including quantum computing. Our solutions integrate with established encryption standards like AES, Dilithium, and Kyber to secure data transmission for defense, cryptocurrency, and IoT applications.

The startup develops a quantum-driven cybersecurity platform that generates unique, unforgeable cryptographic keys using principles of quantum physics and advanced cryptography, eliminating the need for key storage. This technology ensures robust end-to-end security for IoT devices, protecting client privacy against unauthorized access.

The startup develops quantum secure networking technology that provides networking equipment for the European quantum internet, focusing on quantum key distribution for multipoint connectivity. Their solutions enhance data security and enable cost-effective scaling of quantum-secured data communications for industrial applications.

This company provides data security solutions focused on end-to-end encryption to protect information even after a breach occurs. Their technology addresses insider threats and offers quantum-proof security without impacting system performance. The core value is ensuring data remains unusable by unauthorized parties, regardless of access success.

Soundness provides a post‑quantum identity layer that secures blockchain assets against emerging quantum threats without requiring hard forks or address changes. It enables zero‑downtime migration of cryptographic keys across more than 20 networks and delivers regulator‑ready compliance reports aligned with NIST, SEC PQFIF, and other standards. The solution offers enterprise‑grade security, HSM support, and developer‑friendly APIs for custodians, exchanges, and wallet providers.

Four-Chains develops quantum-resistant cryptographic schemes and homomorphic encryption technologies to protect data against future AI and quantum computing attacks. The company focuses on enhancing blockchain data security to address privacy concerns related to personal identification.

Radical Semiconductor develops analog cryptographic IDs designed to protect against quantum and physically-invasive attacks. Their technology provides a robust security solution for sensitive data, ensuring integrity and confidentiality in an increasingly vulnerable digital landscape.

EYL develops ultra-small quantum random number generators (QRNG) that utilize quantum entropy chip technology to provide true randomness for cryptographic applications, ensuring robust security for IoT devices and data. The company addresses vulnerabilities in current encryption systems that rely on pseudo-random number generators, which are increasingly susceptible to attacks from advanced quantum computing.

SafeMails provides an enterprise-grade email platform secured with Post-Quantum Cryptography (PQC) to protect communications against future quantum threats. Users send quantum-strong encrypted emails seamlessly integrated with existing Outlook or Gmail clients. The platform ensures end-to-end encryption and allows recipients to decrypt messages easily without installing special software.

This cybersecurity startup offers a cloud platform that uses AI-powered, risk-based authentication to prevent account takeovers and eliminate login friction. Their platform utilizes fully homomorphic encryption and a crypto coprocessor to provide post-quantum data protection for IoT systems, securing data at the hardware level.

Digital Asset Markets is a token distribution platform that utilizes post-quantum cryptography (PQC) to ensure secure data preservation and utilization for real-world assets (RWA). The platform facilitates seamless digital swaps and enhances the efficiency of digital financial transactions through decentralized identity management.

Eclipse 13 Labs provides a synchronized cryptographic platform that generates identical keystreams on two devices from shared parameters, eliminating the need for key exchange. The solution uses quantum‑processor‑backed entropy generation validated against NIST SP 800‑22 randomness tests and integrates via standard APIs for enterprise, government, and telecom environments.

FaradaySolutions provides the FaradayKey platform, a photonic authentication system that issues hardware‑rooted optical tokens with physically unclonable waveforms for secure access control. The solution includes lock hardware with integrated optical sensors, a cloud‑based management console, and RESTful/OPC‑UA APIs for integration with building‑automation and IoT systems, delivering quantum‑resistant security for high‑value facilities.

AIvantGuard pioneers Web 4.0 infrastructure focused on user empowerment, privacy, and security through advanced technologies. The company offers a secure digital ecosystem built around a multi-party computation wallet, AI agents, and Post-Quantum Cryptography for data sovereignty. This infrastructure enables seamless, autonomous digital interactions while ensuring data remains under sole user control.

The startup manufactures quantum random number generation chips that utilize quantum mechanics to produce truly random numbers. These chips enhance cryptographic communication security, minimizing unauthorized access in a networked environment.

LuxQuanta provides Quantum Key Distribution (QKD) systems that utilize quantum mechanics to generate secure cryptographic keys for telecommunications, ensuring data confidentiality against potential quantum computer attacks. This technology addresses the vulnerability of traditional encryption methods, which may be compromised by future quantum computing capabilities, thereby safeguarding sensitive information across various sectors.

AllSecureX provides a Post-Quantum Cryptography (PQC) platform that discovers quantum-vulnerable cryptography and enforces quantum-safe protection via production-ready APIs. The platform automates cryptographic discovery, risk quantification, and migration using hybrid modes for backward compatibility. It offers enterprise-grade performance and compliance-ready features for securing data and communications against future quantum threats.

Quantix Edge Security provides custom RISC‑V microcontrollers with integrated certified security IP, including post‑quantum cryptography, for automotive, IoT, industrial and defense applications. Its vertically integrated design‑test‑personalization platform delivers CC EAL5+ wafer testing and on‑chip personalization of firmware and cryptographic keys, enabling OEMs to meet standards such as Common Criteria, FIPS, ETSI EN 303 645 and the EU Cyber Resilience Act while reducing time‑to‑market.

SECQAI develops dual-use hardware and software solutions focused on confidential computing infrastructure. The company provides highly secure Trusted Platform Modules (TPMs) featuring Q-Locked architecture for server and edge device security. These solutions incorporate post-quantum cryptography and ensure device integrity against physical tampering and supply chain risks.

QuantumGenie develops AI-powered, quantum-resistant cryptography solutions to secure sensitive data against future threats. The company provides easy-to-integrate SDKs that generate NIST-approved hybrid keys and streamline key management processes. They offer industry-specific, compliant solutions alongside consulting to facilitate a smooth transition to Post-Quantum Cryptography (PQC).

KETS Quantum Security develops quantum key distribution technologies to ensure secure communications against future cyber threats. Their solutions provide businesses with a cost-effective means to protect sensitive data from potential quantum computing attacks.

This cybersecurity company provides secure collaboration tools that utilize Messaging Layer Security (MLS) and Post-Quantum Cryptography (PQC) to ensure the confidentiality of files, messages, and meetings. Targeting sectors such as government, healthcare, and finance, the platform enables secure communication and collaboration in environments where data protection is critical.

BTQ develops post-quantum infrastructure that includes custom programming languages, cloud software, and dedicated hardware to secure mission-critical networks against threats posed by quantum computing. Their solutions provide compact post-quantum signature schemes and hardware acceleration to enhance digital security and ensure the integrity of data transactions.

The startup develops quantum technology for the protection of encryption keys, enhancing cybersecurity by providing quantum-enhanced security for data in transit. This system improves the effectiveness and longevity of encryption infrastructure, enabling secure communications for both corporate and individual clients.