Daniil Krizhanovskyi - Cybersecurity & Cryptography Specialist

Security Profile

▶ Elite cybersecurity and cryptography specialist with 4+ years of expertise in hardening distributed systems and blockchain security.

Expert in post-quantum cryptography and blockchain security protocols

Specialized in securing high-performance distributed systems

Deep knowledge of GDPR and security standards implementation

OpenZeppelin | Remote, Austria

Aug 2023 – Apr 2024

▶ Designed cryptographic protocols to enhance the security of blockchain-based financial transactions, increasing system resilience to attacks by 30%.
▶ Integrated post-quantum cryptographic algorithms to protect decentralized systems from emerging quantum threats.
▶ Conducted penetration testing and security audits, ensuring compliance with GDPR and other data security standards.
▶ Optimized cryptographic modules, boosting blockchain network performance by 25%.

NextGen Technologies | Remote, Italy

Jul 2022 – Jul 2023

▶ Developed secure distributed systems capable of handling over 1 million requests per second.
▶ Implemented cryptographic solutions for blockchain applications, reducing attack surfaces and processing delays by 15%.
▶ Conducted security testing for performance-critical modules, enhancing overall system security by 20%.

Advanced security tool for detecting and analyzing rootkit presence in Linux systems, utilizing kernel-level monitoring and behavioral analysis.

Educational implementation of distributed consensus algorithms, focusing on security aspects and Byzantine fault tolerance.

Machine learning-based system for detecting suspicious patterns and potential security threats in blockchain networks.