Giovanni Mazzeo

Solutions Engineer · Confidential Computing, Cybersecurity & AI

Technical leader and engineer with experience helping companies adopt confidential computing, building secure AI and blockchain systems, and delivering technical training. I combine hands-on architecture and software development with a track record of explaining complex technologies to engineers, researchers, and project partners.

That mix is what makes me effective as a solutions engineer: I do not only design and ship secure systems—I present them, teach them, and turn research-grade concepts into practical guidance teams can implement. I have delivered specialized cybersecurity and Trusted Execution Environment training, presented technical tutorials and papers at 15+ IEEE conferences, and coordinated technical work packages across international EU projects with diverse stakeholders.

As co-founder and senior engineer at Trust Up, I led teams supporting companies migrating applications to confidential computing environments. At Trillion, I architected Proof of Trusted Execution (PoTE) and a TEE-enabled Ethereum consensus client for high-throughput DEXs. At Credora and X-Margin, I shipped production Web3 and TEE infrastructure—from SGX-based privacy-preserving credit scoring to on-chain attestations for DeFi risk metrics.

I hold a PhD in Information Technology focused on trustworthy cloud provisioning and data-in-use protection using CPU security extensions. I am an Associate Professor of Computer Security at the University of Naples Parthenope, author of 65+ peer-reviewed publications, and have served as technical lead or work-package leader in multiple Horizon projects.

Open to solutions engineer and founding engineer roles where deep systems expertise, clear technical communication, and production delivery matter equally.


Featured Publications

Proof of Trusted Execution: A Consensus Paradigm for Deterministic Blockchain Finality

Habib, K.; Kapitsyn, V.; Mazzeo, G.; Mehrban, F.

2025 arXiv preprint. Under review at Middleware 2026 conference.

Enhancing the Security of Rollup Sequencers using Decentrally Attested TEEs

Cristiano, G. M.; D'Antonio, S.; Giglio, J.; Mazzeo, G.; Romano, L.

2025 arXiv preprint. Under review at IEEE Transactions on Emerging Topics in Computing.

A Blockchain Solution for Decentralized Content Verification and its Application to Deepfake Detection and Fintech Credit Scoring

Coppolino, L.; Cristiano, G. M.; D'Antonio, S.; Giglio, J.; Mazzeo, G.; Romano, L.

2025 Blockchain: Research and Applications.

An Experimental Evaluation of TEE Technology: Benchmarking Transparent Approaches Based on SGX, SEV, and TDX

Coppolino, L.; D'Antonio, S.; Mazzeo, G.; Romano, L.

2025 Computers & Security.

WASMBOX: A Lightweight WASM-based Runtime for Trustworthy Multi-Tenant Embedded Systems

Coppolino, L.; D'Antonio, S.; Mazzeo, G.; Nardone, R.; Romano, L.; Schmitt, M.

2024 IEEE Transactions on Emerging Topics in Computing.

A Comprehensive Trusted Runtime for WebAssembly with Intel SGX

Ménétrey, J.; Pasin, M.; Felber, P.; Schiavoni, V.; Mazzeo, G.; Hollum, A.; Vaydia, D.

2023 IEEE Transactions on Dependable and Secure Computing.

The Alliance of HE and TEE to Enhance their Performance and Security

D'Antonio, S.; Lazarou, G.; Mazzeo, G.; Stan, O.; Zuber, M.; Tsavdaridis, I.

2023 IEEE International Conference on Cyber Security and Resilience (CSR).

Enabling Trusted TEE-as-a-Service Models with Privacy-Preserving Automatons

Subramanyan, B.; Hollum, A.; Mazzeo, G.; Ficke, M.; Vaydia, D.

2023 IEEE CloudCom.

SGXTuner: Performance Enhancement of Intel SGX Applications via Stochastic Optimization

Mazzeo, G.; Arnautov, S.; Fetzer, C.; Romano, L.

2021 IEEE Transactions on Dependable and Secure Computing.

Facing the Blockchain Endpoint Vulnerability: an SGX-based Solution for Secure eHealth Auditing

Coppolino, L.; D'Antonio, S.; Mazzeo, G.; Romano, L.; Campegiani, P.

2021 ITASEC.

VISE: Combining Intel SGX and Homomorphic Encryption for Cloud Industrial Control Systems

Coppolino, L.; D'Antonio, S.; Formicola, V.; Mazzeo, G.; Romano, L.

2020 IEEE Transactions on Computers.

A Comparative Analysis of Emerging Approaches for Securing Java Software with Intel SGX

Coppolino, L.; D'Antonio, S.; Mazzeo, G.; Romano, L.

2019 Future Generation Computer Systems.

Hardening ROS via Hardware-Assisted Trusted Execution Environment

Staffa, M.; Mazzeo, G.; Sgaglione, L.

2018 IEEE RO-MAN.

Exploiting New CPU Extensions for Secure Exchange of eHealth Data at the EU Level

Coppolino, L.; D'Antonio, S.; Mazzeo, G.; Romano, L.; Sgaglione, L.

2018 IEEE EDCC.

Secure Cloud Microservices Using Intel SGX

Brenner, S.; Hundt, T.; Mazzeo, G.; Kapitza, R.

2017 IFIP International Conference on Distributed Applications and Interoperable Systems (DAIS).


Talks & Presentations

TEEs in Web3: Powering Rollups, Consensus, and Real-World Exchange Infrastructure

2026 Open Confidential Computing Conference 2026

Trusted Execution Environments: Shielding data-in-use from the Edge to the Cloud

2025 10th Italian Workshop on Embedded Systems

An Experimental Evaluation of TEE technology Evolution: Benchmarking Transparent Approaches based on SGX, SEV, and TDX

2024 Confidential Computing Summit 2024

Awesome Trusted Execution Environment

2023 Tutorial at IEEE/IFIP DSN 2023 conference

The road to Verifiable TEE-as-a-service models, where we are and where we are headed

2023 "New Software Abstractions For Hardware Security Technology", 2023


Skills

Trusted Execution Environments

  • Intel SGX
  • AMD SEV
  • Intel TDX
  • TEE-as-a-Service
  • Confidential Computing

Zero-Knowledge Proofs

  • ZK-SNARKs
  • ZK-STARKs
  • Hybrid Proof Architectures
  • Verifiable Computation
  • Privacy-Preserving Protocols

Blockchain & Web3

  • Smart Contracts (Solidity, Rust)
  • Layer 2 Solutions
  • DeFi Protocols
  • Consensus Mechanisms
  • EVM & Multi-chain
Programming Languages & Frameworks
  • Rust - Systems programming, Substrate, Solana
  • Solidity - Smart contract development
  • Python - Research, tooling, automation
  • C/C++ - Low-level systems, performance
  • Hardhat / Foundry - Smart contract frameworks
  • Web3 Libraries - Web3.js, Ethers.js, viem
  • Security Tools - Slither, Mythril, formal verification
  • IPFS / Arweave - Decentralized storage
Development Practices
  • Security-first development & threat modeling
  • Test-driven development (TDD) & formal verification
  • Performance optimization & benchmarking
  • Research-to-production pipeline

Software

PoTE-Lighthouse

Patched lighthouse EVM client with Proof of Trusted Execution consensus

View on GitHub

ERC-20 Token Balance Tracker

Track and monitor ERC-20 token balances across multiple addresses

View on GitHub

BAM (Block Assembly Marketplace)

Smart routing for block assembly marketplace

View on GitHub

SGX Tuner

A tool for optimizing performance of Intel SGX runtimes

View on GitHub

Confidential SEV-TDX HPC

Confidential computing framework for HPC using AMD SEV and Intel TDX

View on GitHub

And many other private repositories


Get In Touch

Open to solutions engineer and founding engineer opportunities—especially around confidential computing, secure AI, and blockchain. Let's talk.