UCL Centre for Blockchain Technologies
The UCL Centre for Blockchain Technologies (UCL CBT) is a leading European academic...
Founded in 2017, Symbolic Software is an applied cryptography team based in Paris that champions global digital security through comprehensive security audits, cryptographic protocol design, and formal verification. With over 250 comprehensive software and cryptographic audits delivered for clients worldwide, Symbolic Software has established itself as a trusted partner in the blockchain and cryptocurrency security space.
Symbolic Software operates across three main pillars:
Security & Privacy Consulting: The company specializes in comprehensive cryptographic software audits, executing detailed audit reports across various platforms including JavaScript, TypeScript, Go, Rust, Swift, Java, .NET, and others. Their expertise extends to safeguarding critical technologies in the cryptocurrency sector, ensuring secure and reliable transactions. They've collaborated on and audited impactful public health initiatives, making these technologies safe and reliable for global impact, and identify and address critical vulnerabilities in encryption protocols to fortify overall security.
Cryptographic Software Tools: Symbolic Software develops innovative cryptographic tools including Magicall™ (privacy-first video calling platform with end-to-end encryption), Verifpal® (formal verification software for analyzing cryptographic protocol security), Noise Explorer (online engine for reasoning about Noise Protocol Framework Handshake Patterns with formal verification and code generation), and Kyber-K2SO (clean implementation of ML-KEM post-quantum cryptographic primitives in Go).
Notable Client Engagements: The company has worked with prominent organizations including Native Labs (smart contract audits), Linux Foundation Public Health (COVID-19 contact tracing application audits), 1Password (extensive pentest in collaboration with Cure53), Mozilla Thunderbird (Enigmail vulnerability detection), and many others in the blockchain and cryptocurrency space.
Symbolic Software's approach prioritizes intellectual honesty and real-world impact, which drives their innovative and effective solutions. The company is led by Dr. Nadim Kobeissi, certified as a national expert in cryptography by the French Ministère de la Recherche et de l'Innovation, and authorized to lead research and development projects in cryptography since 2017. Their work contributes to peer-reviewed scientific publications and has received acclaim from industry leaders like Cure53's Director Mario Heiderich, who praised them as "reliable, precise, honest, thorough and think outside the box."
With deep expertise in applied cryptography, formal verification methods, and blockchain security, Symbolic Software offers world-class security audits that provide higher assurance for state-of-the-art cryptographic systems. Their comprehensive approach covers everything from smart contract audits to protocol design, making them an ideal partner for blockchain projects, cryptocurrency platforms, and any organization requiring cryptographic security expertise. Their commitment to privacy, security, and impactful results has made them a trusted ally for some of the world's most security-conscious organizations.
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Founded
2017
Team Size
2-5 employees
Support Hours
Coverage
Languages
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25 Avenue de la Division Leclerc, 92290 Châtenay-Malabry, Châtenay-Malabry, Île-de-France, France
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