Experience
First-Stage Researcher
Nov 2024 - Present- Designed a mechanism design protocol for accountable decision-making in DAOs; published results in 3 papers.
- Built a DAO smart contract system (Solidity, ERC-1155) for fractionalized real-world asset governance.
- Presented and discussed research with peers at INESC-ID's distributed systems group.
Teaching Assistant
Nov 2025 - May 2026- Taught 20+ students across two courses: Network and Computer Security (Master's) and Distributed Systems (Bachelor's).
- Developed course material including a blockchain for a cryptocurrency using gRPC in Java.
Blockchain Engineer
Jul 2023 - Nov 2024- Designed and implemented two blockchain oracle architectures (on-chain and off-chain) for a property rental platform, comparing cost, latency, and trust trade-offs.
- Built with Daml and Java on the Canton Network.
Technical Skills
Languages
Python, Solidity, Java, C/C++, Daml, SQL
Blockchain
Hardhat, ERC standards, OpenZeppelin, Canton Network, Splice
Tools
Git, Docker, gRPC, LaTeX, Linux
Research
Mechanism Design, Game Theory, Information Aggregation
Projects
cnwla -- Canton Network Ledger API CLI
A CLI for Canton Network ledgers. Wraps the HTTP JSON Ledger API v2 with ergonomic commands.
DMsim -- Decision Making Simulator
A Python simulator for comparing Decision Markets and VCG auctions as collective decision-making mechanisms, powered by LLM-generated agents.
DAO for Fractionalized Real World Asset Governance
A simplified DAO designed for Real World Asset (RWA) governance, using the ERC-1155 standard.
A Lease Management System in DAML
A rental platform proof-of-concept built with Daml, featuring automated rent payments, maintenance issue reporting, and dispute resolution via arbitrators.
Education
Master's Degree in Computer Science and Engineering
2022 - 2024Specializations in Cybersecurity and Algorithms. Additional coursework from the Mathematics Master's programme: Introduction to Learning Theory and Computability and Complexity (among others).
Bachelor's Degree in Information Systems and Computer Engineering
2019 - 2022International coursework: Artificial Intelligence (ITBA, Argentina), Electronics Engineering (BIT, Beijing).
Publications
- N. Braz, M. Correia, "Binary Decisions in DAOs: Accountability and Belief Aggregation via Linear Opinion Pools," arXiv preprint, 2025.
- N. Braz, "An Approach to Blockchain Voting for RWA Governance," in 2025 IEEE NCA, pp. 312--313, IEEE, 2025. Blockchain-based voting using Threshold Homomorphic Encryption and Signatures of Knowledge.
- N. Braz, J. Santos, T. Dias, M. Correia, "Blockchain Oracles for Real Estate Rental," arXiv preprint arXiv:2504.06180, 2025.
Certifications and Awards
Languages
Portuguese
Native
English
Advanced
Spanish
Advanced
French
Working proficiency
Other Stuff
Sports
Federated Rugby Player and Surf Athlete, competed in national competitions.
Volunteering
Batu Kapal Conservation, North SumatraWildlife research, orangutan mapping, and habitat restoration.