I’m a Blockchain Engineer and Technical Lead specializing in decentralized privacy and L1 ecosystems. I work alongside David Chaum at xx.network, focusing on privacy-driven blockchain solutions, and with Neal Stephenson at Lamina1, building a Web3 hub for creators. Based in the Cayman Islands, I also co-founded BitFashioned SEZC to help projects navigate Web3, from launching platforms and tokens to advising on strategic growth.

• Lamina1: Leading tech initiatives to build a creator-centric Web3 hub with Neal Stephenson.
• xx Network: Working with David Chaum on decentralized privacy tools and advancing consensus protocols.
• PhoenixxIO: Building a secure communication hub for Web3.

• Blockchain Frameworks: Substrate/Polkadot, CosmosSDK, Avalanche, Ethereum/EVM, Solana
• Web3 Development: Solidity/Hardhat/Remix, wagmi/viem, Social Login/SSS-MPC, Anchor/SolanaCLI/SPL
• Research & Design: Consensus protocols, Basics of Applied Cryptography, and Decentralized Architectures
• Programming: Go, C, React, NodeJS, Typescript, Python, JavaScript, SQL, GraphQL - learning Rust
• Infrastructure: Git, AWS, Cloudflare, Netlify, Docker, Terraform/Packer, IPFS, CI/CD, Hasura, Grafana/Prometheus

• xx Network: Substrate framework. Launched L1 network and token. Developed Wallet, Staking Tool, Explorer and other dApps.
• Lamina1: Avalanche L1. Architecting Web3 innovations for a community-driven ecosystem. Tech lead of the Lamina1 Hub.
• BitFashioned SEZC: Advisory for Web3 projects on MVPs, scaling, and strategy.

• BSc in Electrical and Computer Engineering (University of Porto): Focused on networks and telecommunications.
• MSc in Computer Science (University of Porto): Thesis in Deep Reinforcement Learning applied to wireless networks.
• CCNA Certified (Cisco Networking Academy): Gained expertise in networking fundamentals and network security.
• Google Nanodegree in Mobile Web Development (Online): Skills in PWAs.
• Research: Co-authored "xxBFT: Linear consensus with random sampling" with David Chaum.

Reach out if you're building in Web3 or need expertise in blockchain engineering, advisory, or platform integration. Happy to discuss collaboration!

• Contact: Book a Call
• LinkedIn: Baltasar Aroso
• 📫 Email: [email protected] | [email protected]

In addition to technology, I love sports like tennis, padel, and European football. I'm a music enthusiast, have been trying to learn how to play the piano, and enjoy exploring new ideas in psychology, macroeconomics, and genetic engineering.