Top 5 Blockchain Angel Investors in Portugal in February 2025

Last updated: Feb 2025 A list of 5 angel investors that invest in Blockchain startups based in Portugal. We rank investors based on the number of investments they made in Blockchain companies from Portugal. We update this investor list every month.

Top 5 Blockchain Angel Investors in Portugal in February 2025

Investor	Blockchain Portugal investments
Arthur Hayes	2
Balaji Srinivasan	1
Alex Atallah	1
Anton Bukov	1
Crypto Dog	1

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After graduating with a degree in economics from the Wharton School of Business, Arthur lived in Hong Kong as an equity derivatives trader. He was the market-maker for Deutsche Bank and Citibank’s Exchange Traded Funds (ETF) businesses. He also has extensive experience trading equity index futures, forwards, and swaps as well as non-deliverable FXforwards. Arthur brings a deep understanding of how to structure and trade financial derivatives.

Investment focus

Blockchain, Cryptocurrency, Financial Services
Seed, Pre-Seed, Funding Round
United States, Singapore, India

Portfolio highlights

Cytonic — Cytonic is a multi-virtual-machine blockchain. Cytonic is compatible with blockchains such as Bitcoin, Ethereum, and Solana.
Nillion — The Secure Processing Layer of Web3
Infinit — Infinit is the DeFi Abstraction Layer that removes the enormous friction associated with creating and scaling DeFi ecosystems.

Balaji S. Srinivasan is the Co-Founder and Board Member of Coin Center. He was the CTO of Coinbase and cofounder of Counsyl, Earn, Teleport, and Coin Center. He was previously CEO at Earn.com, which was recently sold to Coinbase. Prior to taking the CEO role at Earn.com, Dr. Srinivasan was a General Partner at Andreessen Horowitz. Prior to joininga16z, he was the co-founder and CTO of Founders Fund-backed Counsyl, where he won the Wall Street Journal Innovation Award for Medicine and was named to the MIT TR35. Dr. Srinivasan holds a BS, MS, and PhD in Electrical Engineering and an MS in Chemical Engineering from Stanford University. He also teaches the occasional class at Stanford, including an online MOOC in 2013 which reached 250,000+ students worldwide.

Investment focus

Blockchain, Cryptocurrency, Software
Seed, Pre-Seed, Series A
United States, India, Singapore

Portfolio highlights

The Arena — Arena. social is a cutting-edge SocialFi platform that is revolutionizing how content producers interact, network, and make money from their work.
Lica World — Hire Lica, AI Video Producer for Product, Sales, And Customer Success Teams
OpenGradient — OpenGradient is a leading decentralized AI platform for open-source model hosting, secure inference, agentic reasoning, and application deployment. By developing tooling and a feature-rich platform that makes developing AI workflows both secure and seamless, OpenGradient empowers developers with the ability to build in its ecosystem of intelligentand optimized AI-empowered applications. With native model hosting, permissionless composability, and secure inference execution, OpenGradient also aims to accelerate open-source AI by democratizing model ownership, improving verifiability guarantees, and promoting censorship-resistant model access.Our heterogeneous AI compute architecture (HACA) and our proprietary library NeuroML scale secure AI workflows with features like inference, agentic reasoning, statistical analysis, and more. OpenGradient also accelerates open-source innovation with a web portal and SDK for Web2 developers to leverage our AI stack without navigating blockchain complexities, while enjoying the security and composability benefits of decentralized infrastructure.

Alex Atallah is a Co-Founder of OpenSea. Attended Stanford University.

Investment focus

Gaming, Blockchain, Video Games
Seed
Portugal

Portfolio highlights

METAMORPH — Blockchain gaming company

I am a philosopher, concept generator, and innovator with a deep fascination for technology, simplicity, and innovation, stemming from my software engineering journey that began in 2002. I have a profound curiosity in diverse domains such as algorithms, space exploration, blockchain technology, virtual and augmented reality, artificialintelligence, emerging energy sources, and new material sciences. My holistic and interdisciplinary approach propels me towards harnessing technology and innovation to conceive and create a future that surpasses the conventional boundaries of imagination