Open to opportunities

yasser lanacer

@yasserlanacer

Cryptography and blockchain security specialist—ranked CTF competitor, authoring smart contract exploitation challenges.

Algeria

Message

What I'm looking for

I’m looking for a role where I can build and review cryptography and smart-contract security, author challenging technical work, and grow through rigorous testing—while continuing my focus on Zero-Knowledge Proofs and Web3 defense.

I’m a cryptography and blockchain security specialist focused on turning deep theory into practical, adversarial problem-solving. I’ve built a strong track record in CTFs—reaching top placements in Algeria, qualifying for finals, and ranking highly nationally—while concentrating on cryptography and smart contract exploitation.

Beyond competing, I author and manage security challenges for events, including designing full smart contract exploitation challenges using Solidity and Foundry and supporting the technical infrastructure. I’m also actively learning Zero-Knowledge Proofs and sharing progress through dedicated repositories and writeups, collaborating with research-focused groups to deepen my security approach.

Experience

Work history, roles, and key accomplishments

Current

CTF Team Member

Current

HeavensBirds

Jan 2025 - Present (1 year 6 months)

Participate in mixed-category CTFs, primarily contributing to cryptography and blockchain challenges.

Cryptography Blockchain Security CTF

Current

CTF Team Member

Current

Trojeun

Jan 2025 - Present (1 year 6 months)

Participate in mixed-category CTFs, primarily contributing to cryptography and blockchain challenges.

Cryptography Blockchain Security CTF

Current

Cryptography Specialist

Current

Team m1nt4l1ty

Jan 2023 - Present (3 years 6 months)

Compete in online CTFs focused on cryptography and contributed to the team’s 4th place national ranking on CTFtime in 2024.

Cryptography CTF

Technical Manager and Challenge Author

IngeHack CTF 2026

Jan 2026 - Dec 2026 (11 months)

Designed and authored cryptography and blockchain challenges for IngeHack CTF 2026, including a full smart contract exploitation challenge using Solidity and Foundry. Managed the event’s technical infrastructure and collaborated with a research group working on verifiable compute and security.

Cryptography Blockchain Security Smart Contract Exploitation Solidity Foundry EVM

Education

Degrees, certifications, and relevant coursework

Higher School of Computer Science (ESI)

Computer Science, Cybersecurity Specialization

2023 -

Activities and societies: Currently in 4th year; Learning Community Leader at Ingeniums Scientific Club (since 2025), organizing workshops and teaching cryptography sessions.

Pursuing a Computer Science program with a Cybersecurity specialization at Higher School of Computer Science (ESI) in Sidi Bel Abbes and expected to graduate in 2028.