CV

Contact Information

Name Domènec Madrid
Email Domenec.Madrid@uab.cat

Experience

  • Jan 2026 – Present

    Bellaterra

    Adjunct Professor
    Universitat Autònoma de Barcelona
    Laboratory professor for the Computer Networks subject. Additionally, supervising four Bachelor’s Thesis.
    • Computer Networks
    • Project Management
    • Teaching
  • May 2024 – Jan 2026

    Bellaterra

    Research Support Specialist
    Universitat Autònoma de Barcelona
    Researching various fields related to Bitcoin, cybersecurity, and cryptography. Worked primarily on projects involving the creation of a parallel Bitcoin mainnet in a fully dockerized environment, wallet fingerprinting for address clustering, and covert nonce channel attacks on Bitcoin hardware wallets.
    • Bitcoin
    • Blockchain
    • Cryptography
    • Research
    • Hardware wallets
  • Sep 2023 – May 2024

    Barcelona

    Cybersecurity Consultant
    KPMG
    Worked mainly in Microsoft 365 environments, focusing on projects involving SPFx development with Azure and React.
    • Azure
    • Consulting
    • SharePoint Framework
    • Entity Framework
    • React
  • May 2020 – Aug 2023

    Barcelona

    Educator and Technician
    Fundació Maria Auxiliadora
    Provided educational support in math and physics to young adults, offering personalized attention and maintaining communication with schools and families. Delivered training in various computer science fields and performed computer repair and maintenance tasks.
    • Education
    • Teaching
    • Maintenance
    • Technical Support
  • Sep 2019 – Aug 2022

    Barcelona

    Game Master & Technician
    Vortex S.A
    Managed client communication and facilitated group activities. Additionally, handled troubleshooting and repair of technical issues, both software and hardware, that occurred on-site.
    • Customer Communication
    • Technical Support
    • Maintenance
    • Problem Solving
  • Sep 2019 – Apr 2020

    Barcelona

    Cybersecurity Intern
    Cirsa
    Completed a degree-mandatory internship, working on various cybersecurity-related ticket resolutions, managing phishing campaigns, and performing internal and external audits.
    • GoPhish
    • Consulting
    • Active Directory
    • Nmap
    • Hacking

Education

  • Sep 2024 – Jun 2025

    Remote

    Master's Degree
    Universitat Oberta de Catalunya
    Cybersecurity and Privacy
  • Sep 2017 – Jun 2022

    Bellaterra

    Bachelor's Degree
    Universitat Autònoma de Barcelona
    Computer Science Engineering

Certificates

  • Postgraduate Certificate in Secure Programming with Rust - Universitat Autònoma de Barcelona (2024)

Languages

English : Fluent
Spanish : Native speaker
Catalan : Native speaker

Interests

Bitcoin: Blockchain, Cryptography, Hardware Wallets
Cryptography: ECDSA, Zero-Knowledge Proofs, Post-Quantum Cryptography
Quantum Computing: Quantum Algorithms, Qubits, Quantum Cryptography
Rust: Systems Programming, Memory Safety, WebAssembly
C++: Systems Programming, Performance, Embedded Systems
AI & Machine Learning: Neural Networks, Large Language Models, Computer Vision
Cybersecurity: Penetration Testing, Reverse Engineering, Vulnerability Research
Puzzles & CTFs: Capture The Flag, Logic Puzzles, Cryptographic Challenges

Projects

  • Wallet Fingerprinting

    Research on Bitcoin wallet fingerprinting techniques for address clustering and transaction graph analysis to identify wallet software from on-chain data.

    • Address Clustering
    • On-chain Analysis
    • Bitcoin Privacy
  • BTC-Labnet

    A fully dockerized parallel Bitcoin mainnet environment for research and testing purposes, enabling safe experimentation with Bitcoin protocols and network behaviour.

    • Docker
    • Bitcoin Mainnet
    • Network Simulation