Meet the Metana Authors

Nilupul Weerasinghe

Web3 Developer and Researcher

15 articles

Nilupul Weerasinghe is a Web3 developer and researcher who builds applications on the EVM, with a strong focus on DeFi protocols and the growing intersection of AI agents and on-chain payments, including the x402 standard. Beyond account-based chains, he has deep hands-on experience with UTXO-based architectures, particularly Bitcoin Cash and CashTokens, where he founded CashMint, a BCH-native NFT marketplace and AI agent platform. His writing breaks down how different blockchain models handle state, payments, and smart contract logic, helping developers build across both EVM and UTXO ecosystems.

Kavinesh Ganeshamoorthy

Software Engineer & Tech Career Strategist

14 articles

Kavinesh Ganeshamoorthy is a product engineer and tech career advisor at Metana, focused on tech jobs, career success, and Cyber Security. He writes about breaking into the industry, building skills employers value, and turning hands-on projects into stronger job applications. His articles cover career paths, portfolios, interview preparation, and opportunities in software engineering and Cyber Security, helping readers make informed decisions and take practical steps toward their next role.

Raqeeb Ameen

AI & Cybersecurity Researcher

10 articles

Raqeeb Ameen is an AI and cybersecurity researcher examining the security implications of autonomous AI agents and automated decision-making systems. He writes on emergent attack vectors, prompt injection defenses, and the evolving threat landscape in AI security, helping organizations safely deploy agentic systems in production.

Aaron Emmanuel

Student Success Instructor

6 articles

Aaron Emmanuel is a Student Success Instructor who helps beginner and intermediate developers get comfortable with backend development, with a growing focus on AI and cloud-based systems. He has hands-on experience with learning management system (LMS) architecture, which gives him a practical view of how scalable, real-world platforms are designed and deployed. His writing strips complex backend concepts down to simple, practical explanations, helping learners move from understanding the basics to building and shipping confident, well-structured applications.

Brittni Fernando

Software Developer & AI Researcher

6 articles

Brittni Fernando is a software developer with an interest in artificial intelligence and modern software engineering practices. Her work spans full-stack development, AI-assisted coding, and research into emerging AI technologies. Through her writing, she explores software development concepts, practical coding techniques, and the growing role of AI in building software, making technical topics easier to understand and apply.

Thinal Perera

Full-Stack Engineer & AI Systems Lead

6 articles

Thinal Perera is a full-stack software engineer and technical lead specializing in modern web architecture, AI-driven workflows, and scalable cloud systems. With a strong foundation in React, TypeScript, Node.js, and Python, he builds high-performance applications and localized tooling—ranging from micro-learning platforms and on-device expense trackers to custom workforce management systems. Operating at the intersection of software development and automated engineering toolchains, he leverages advanced agentic workflows and cloud infrastructure to optimize digital products, drive technical SEO, and deliver robust bespoke solutions.

Georgi Plamenov is a Web3 security researcher specializing in smart contract vulnerability analysis and EVM exploits. He writes deep-dive walkthroughs on complex security challenges—including OpenZeppelin's Ethernaut CTF—breaking down re-entrancy, storage manipulation, and defense-in-depth patterns to help Solidity developers build attack-resistant protocols.

Ali Kanso

Blockchain Engineer & Solidity Specialist

4 articles

Ali Kanso is a blockchain developer and educator with a passion for core Solidity architecture and zero-knowledge cryptography. From explaining the fundamentals of Solidity variable scopes and function types to unpacking how Zero-Knowledge Proofs protect privacy, Ali creates accessible, high-impact tutorials for engineers building on Ethereum.

Ana Rojo

Web3 Security Specialist & EVM Analyst

3 articles

Ana Rojo is a blockchain security analyst focused on EVM internals, contract bytecode, and storage layout vulnerabilities. Through step-by-step security walkthroughs on challenges like Ethernaut's Alien Codex and Magic Number, Ana teaches developers how low-level execution quirks can lead to protocol exploits and how to write secure smart contracts.

Marko Jauregui

Web3 Systems & Protocol Developer

3 articles

Marko Jauregui is a Web3 systems developer interested in decentralized messaging protocols and Ethereum development tooling. He covers everything from compiler mechanics (solc) to peer-to-peer communication layers, offering full-stack Web3 engineers the architectural clarity needed to build next-generation dApps.

Sven Daneel

Blockchain Security Auditor

3 articles

Sven Daneel is a smart contract auditor and security educator passionate about fortifying on-chain systems. He guides engineers through foundational smart contract vulnerabilities—from pseudo-randomness exploits to authentication risks like tx.origin—helping developers spot critical security flaws before deploying to mainnet.

Alexis Amoi

Smart Contract Developer & Security Contributor

2 articles

Alexis Amoi is a Solidity engineer and security contributor who explores the nuances of token standards, byte packing, and access control. Through practical CTF teardowns, Alexis helps aspiring smart contract engineers transition from basic Solidity syntax to defensive smart contract development.

Janos Barna

Protocol Security Researcher

2 articles

Janos Barna is a smart contract security researcher focusing on low-level EVM behavior, bitwise logic, and assembly constraints. He crafts in-depth technical guides that deconstruct advanced CTF hurdles (such as Gatekeeper Two), helping developers master Ethereum’s deepest execution layers.

Vinh Tran

Blockchain Security Engineer

2 articles

Vinh Tran is a blockchain security engineer with deep experience in smart contract access control and execution contexts. He specializes in breaking down dangerous patterns like unvalidated delegatecall and denial-of-service vectors, empowering developers to build resilient Web3 architectures.

Jarrod Pyne

Web3 Security Researcher

1 article

Jarrod Pyne is a Web3 security researcher dedicated to identifying edge cases in smart contract logic. He demystifies complex EVM mechanics like forced Ether transfers and contract invariants, providing practical security lessons for Solidity engineers building decentralized applications.

Mathieu Bertin

Senior Blockchain Developer & Tooling Specialist

1 article

Mathieu Bertin is a senior blockchain developer focused on EVM developer tooling and advanced smart contract testing strategies. He specializes in practical developer workflows—such as directly manipulating EVM storage slots in Foundry and Hardhat to seed mock token balances—helping teams build robust, automated test suites.

Nigel Jacob

Full-Stack Engineer & Technical Career Coach

1 article

Nigel Jacob is a full-stack engineer and technical career coach who helps developers break into the tech industry. Leveraging hands-on hiring experience, Nigel shares practical advice on resume engineering, technical interviews, and showcasing high-impact projects that land competitive developer roles.

Rupam Roychoudhury

Smart Contract Auditor

1 article

Rupam Roychoudhury is a blockchain security researcher focused on contract transparency and EVM storage inspection. He writes on smart contract security fundamentals, helping engineers understand that on-chain data is never truly private and teaching best practices for managing sensitive logic in decentralized applications.

Seth Tenenbaum

Smart Contract Auditor & EVM Bytecode Specialist

1 article

Seth Tenenbaum is a smart contract auditor specializing in low-level EVM execution and ABI encoding intricacies. His technical analyses unravel complex attack vectors—such as calldata offset manipulation and compiler edge cases—to help Web3 protocols secure their codebase against subtle, high-impact exploits.

Shiran Sukumar

Blockchain Engineer & Security Contributor

1 article

Shiran Sukumar is a software engineer and blockchain contributor who writes on smart contract arithmetic safety and token standards. He provides actionable guides on preventing numerical underflows and protecting contract balances, reinforcing best security practices for Solidity developers.