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First-Stage Researcher

Nov 2024 - Present
INESC-ID
  • 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
Instituto Superior Técnico
  • 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
Unlockit
  • 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.

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

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.

Master's Degree in Computer Science and Engineering

2022 - 2024
Instituto Superior Técnico, University of Lisbon

Specializations in Cybersecurity and Algorithms. Additional coursework from the Mathematics Master's programme: Introduction to Learning Theory and Computability and Complexity (among others).

Exchange Program

Jul 2024
Beijing Institute of Technology

Electronics Engineering & Chinese Culture.

Exchange Program

2023
Instituto Tecnologico de Buenos Aires

AI courses.

Bachelor's Degree in Information Systems and Computer Engineering

2019 - 2022
Instituto Superior Técnico, University of Lisbon

International coursework: Artificial Intelligence (ITBA, Argentina), Electronics Engineering (BIT, Beijing).

  • 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.

Portuguese

Native

English

Advanced

Spanish

Advanced

French

Working proficiency

Sports

Federated Rugby Player and Surf Athlete, competed in national competitions.

Volunteering

Batu Kapal Conservation, North Sumatra

Wildlife research, orangutan mapping, and habitat restoration.

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