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A Comparative Analysis of Privacy-Enhancing Technologies for Blockchain Systems
December 1, 2024 • Ogena Labs
Comparative analysis of blockchain privacy-enhancing technologies (PETs) like ZKPs, MPC, TEEs, HE, Ring Signatures, Stealth Addresses, and Mixers, evaluating privacy guarantees, performance, security assumptions, and use cases.
Journal: Journal of Cryptology and Privacy Enhancing Technologies, Vol. 5, Issue 4, pp. 450-488, 2024
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Strategies for Achieving Quantum Resistance in Blockchain Systems
October 5, 2024 • Ogena Labs
An in-depth analysis of the quantum computing threat to blockchain cryptography and a survey of post-quantum cryptographic solutions (lattice, code, hash, multivariate) and integration strategies for achieving long-term blockchain security.
Journal: International Journal of Cryptography and Security, Vol. 14, Issue 4, pp. 301-335, 2024
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Decentralized Finance (DeFi) Security: Risks, Attack Vectors, and Mitigation Strategies
September 28, 2024 • Ogena Labs
A comprehensive analysis of DeFi security risks (smart contract bugs, economic exploits like flash loans and oracle manipulation, governance attacks), attack vectors with case studies, and mitigation strategies including secure development, robust design, economic security, and monitoring.
Journal: Journal of Financial Cryptography and Cybersecurity, Vol. 11, Issue 3, pp. 215-249, 2024
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A Survey of Formal Verification Techniques for Smart Contracts
June 20, 2024 • Ogena Labs
A comprehensive survey and analysis of formal verification techniques (model checking, theorem proving, symbolic execution, abstract interpretation) for ensuring smart contract security and correctness, covering tools, properties, challenges, and future trends.
Journal: Journal of Software Security and Verification, Vol. 8, Issue 2, pp. 112-145, 2024
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Scaling Blockchain Applications with Zero-Knowledge Proofs
April 20, 2024 • Ogena Labs
This paper presents comprehensive research on using zero-knowledge proof systems for blockchain scalability. We introduce novel optimization techniques that reduce proof generation time by 87% and verification costs by 62%, while maintaining security guarantees. Our ZK-Layer architecture enables throughput of over 10,000 transactions per second with on-chain verification.
Journal: Journal of Cryptographic Engineering, 2023
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Systematic Risk Assessment Framework for Decentralized Finance Protocols
November 15, 2023 • Ogena Labs
This paper introduces a comprehensive risk assessment framework for decentralized finance (DeFi) protocols. We develop a multi-dimensional risk model that quantifies technical, financial, and governance risks through formal metrics. Our framework has been validated against 26 major DeFi protocols, successfully predicting 83% of security incidents over a six-month evaluation period, with minimal false positives.
Journal: Journal of Financial Cryptography, 2023
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