SamSecyu - Smart Contract Auditor & Cybersecurity Specialist
About Me
Hello, I’m SamSecyu, a seasoned Smart Contract Auditor and Cybersecurity Specialist with a passion for securing decentralized applications (dApps) and blockchain ecosystems. With extensive experience in auditing smart contracts for vulnerabilities and ensuring their robustness, I have worked on high-profile projects in the blockchain space, delivering actionable findings and recommendations. My expertise spans Solidity, Web2 security, technical writing, and a wide range of programming languages and tools.
In addition to my technical prowess, I bring presentation skills and sales/marketing expertise to effectively communicate complex security concepts to stakeholders and drive adoption of secure practices. My goal is to bridge the gap between cutting-edge technology and robust security, ensuring trust and reliability in the decentralized world.
📧 Email: #
🌐 LinkedIn: linkedin.com/in/samsecyu
🐦 X Profile: x.com/samsecyu
💼 GitHub: github.com/samsecyu
Skills
Blockchain & Smart Contract Auditing
- Solidity: Proficient in writing, auditing, and optimizing Ethereum smart contracts.
- Rust: Experience with Rust-based blockchain frameworks (e.g., Solana, Near).
- Go: Familiarity with Go for blockchain infrastructure and tooling.
- Smart Contract Security: Expertise in identifying vulnerabilities such as reentrancy, integer overflows, and access control issues.
- Tools: Mythril,Wake, Slither, Echidna, Foundry, Hardhat, Medusa, Manual Review, Invariant fuzzing (learning formal verification and mutational analysis)
Programming Languages
- JavaScript: Building front-end dApps and scripting for security testing.
- PHP: Developing secure web applications and APIs.
- C/C++: Low-level programming for performance-critical security tools.
- Python: Automation, scripting, and data analysis for security research.
- R: Statistical analysis for security data and risk modeling.
- Stata/Matlab: Advanced data analysis for cybersecurity metrics.
- HTML/CSS: Front-end development for security dashboards and reports.
Web2 Security
- Penetration Testing: Proficient in tools like Metasploit, Burp Suite, and Nmap.
- C2 Frameworks: Experience with Cobalt Strike, Veil Framework, and custom C2 setups.
- Web Application Security: Identifying and mitigating OWASP Top 10 vulnerabilities.
- Network Security: Expertise in securing Debian and Kali Linux environments.
Other Technical Skills
- Web Development Frameworks: Laravel, WordPress for secure CMS and application development.
- GIS & Mapping: Proficient in ArcGIS for geospatial analysis in security contexts.
- Operating Systems: Advanced administration of Kali Linux and Debian for security operations.
Soft Skills
- Technical Writing: Authoring detailed audit reports, whitepapers, and documentation.
- Research & Report Writing: Conducting in-depth vulnerability research and presenting findings.
- Presentation Skills: Delivering engaging talks at conferences and client meetings.
- Sales & Marketing: Promoting security services and building client relationships.
Projects
Below is a summary of my smart contract auditing projects, including key findings, lessons learned, and earnings.
| Project |
Description |
Findings |
Lessons Learned |
Amount Earned |
| Forte |
Audited a DeFi lending protocol with $50M TVL. |
Identified reentrancy and flash loan vulnerabilities. |
Importance of rigorous testing for edge cases in DeFi. |
0 |
| Zentiq |
Security audit for an NFT marketplace smart contract. |
Discovered access control and gas optimization issues. |
Need for modular contract design to reduce attack surfaces. |
TBA |
Project Highlights
- Forte: Participated in the project on Code4arena.
- Zentiq: Participated in the project contest in Code4arena.
Experience
Smart Contract Auditor (Freelance)
2022 - Present
- Conducted comprehensive audits of smart contracts for DeFi, AMM, Stable coins, NFT, and cross-chain protocols.
- Delivered detailed reports with actionable recommendations, reducing vulnerabilities in audited systems.
- Worked with clients to implement fixes and improve contract efficiency.
Cybersecurity Consultant
2020 - 2022
- Performed penetration testing and vulnerability assessments for web applications and networks.
- Utilized tools like Metasploit, Cobalt Strike, and Burp Suite to simulate advanced persistent threats.
- Developed custom security tools in Python and C/C++ for clients in finance and healthcare.
Web Developer
2018 - 2020
- Built secure web applications using Laravel and WordPress for small businesses.
- Implemented security best practices to mitigate SQL injection and XSS attacks.
- Designed user-friendly interfaces with JavaScript and HTML/CSS.
Certifications
- **Self taugh smart contract auditing
- Certified Information Systems Security Professional (CISSP)
- Offensive Security Certified Professional (OSCP)
- Certified Secure Software Lifecycle Professional (CSSLP)
Talks & Publications
- **“System thinking for web3
I’m always open to new opportunities in smart contract auditing, cybersecurity, or consulting. Feel free to reach out!
Let’s build a secure decentralized future together! 🚀