# Top 5 Blockchain Angel Investors in Portugal in June 2026

## Arthur Hayes
- Type: Angel
- Location: Hong Kong, Hong Kong Island, Hong Kong
- Relevant deals: 2
- Stages: Seed, Pre-Seed
- Focus: Blockchain, Cryptocurrency, Financial Services

Arthur Hayes is based out of Hong Kong, Hong Kong Island and is the Advisor of Upexi. Arthur previously worked at BitMEX as a CEO. Arthur Hayes attended the University of Pennsylvania.

## Alex Atallah
- Type: Angel
- Location: Menlo Park, California, United States
- Relevant deals: 1
- Stages: Seed
- Focus: Gaming, Blockchain, Video Games

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

## Balaji Srinivasan
- Type: Angel
- Location: San Francisco Bay Area, California, United States
- Relevant deals: 1
- Stages: Seed, Pre-Seed, Series A
- Focus: Blockchain, Cryptocurrency, Software

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. 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 anonline MOOC.

## Crypto Dog
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: Cryptocurrency, Blockchain, Bitcoin

The Crypto Dog is an angle investor.

## Anton Bukov
- Type: Angel
- Location: Amstelveen, Noord-Holland, The Netherlands
- Relevant deals: 1
- Stages: Seed, Angel, Pre-Seed
- Focus: Cryptocurrency, Blockchain, Internet

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

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co