Mostafa S. Joo
I am a software engineer and blockchain architect with a passion for building secure, scalable distributed systems.
About
I am a software engineer and blockchain architect with a passion for building secure, scalable distributed systems. I focus on reducing maintenance and development costs, value thorough testing, and advocate for decoupled, clean code. I believe deployment should be simple, secure, and able to grow with changing requirements. I also embrace the idea that code is art and that a well-crafted program can be a masterpiece—so I strive for simplicity and elegance in everything I build.
As a Linux and open‑source enthusiast, I’ve contributed to numerous free and open-source projects and maintain several of my own. Today I’m focused on network security, cryptography, and distributed computing technologies, translating complex concepts into practical, robust solutions.
- 16 years' experience
- Joined July 2025
Skills· 19
Languages
- EnglishAdvanced
- PersianFluent
Industry experience
- Software & Internet
- Financial Services
- Computers & Electronics
- Professional Services
- Other
- Media & Entertainment
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Work experience· 16 roles
Hex Trust is a fully-licensed digital asset custodian that provides solutions for protocols, foundations, financial institutions, and the Web3 ecosystem. I was part of the Cryptographic Research Department and working on Multi-Party Computation (MPC) algorithms based on CGGMP21 paper and YAO Garbled circuit.
Pactus is a pure blockchain protocol secured by a novel Solid-State Proof of Stake consensus mechanism. Led 15+ developers across multiple areas to deliver products: Pactus Blockchain (Raspberry Pi to Windows), Pactus Explorer, Pactus Wallet, Pactus Guardian Bot, and cross-chain/bridging components. Remote.
Led technology strategy as CTO and co-founder; oversaw distributed architecture and security for the Pactus blockchain; steered product development and collaboration with distributed teams.
Education
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