Top 5 Payments Angel Investors in Portugal in September 2025

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

Top 5 Payments Angel Investors in Portugal in September 2025

Investor	Payments Portugal investments
Arthur Hayes	2
Alex Atallah	1
Nuno Job	1
Balaji Srinivasan	1
Crypto Dog	1

Find investors that fund startups like yours. Automatically.

Our algorithm will find investors that invest in your industry, stage, and geography.

Investor list

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, Funding Round, Pre-Seed
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
Superform Labs — THE UNIVERSAL INTERFACE FOR YIELD IS FORMING

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

Nuno Job is the co-founder of Decipad.

Investment focus

Artificial Intelligence, Information Technology, Software
Seed, Pre-Seed, Series A
United States, Portugal, United Kingdom

Portfolio highlights

Replicate — Run open-source machine learning models with a cloud API
Coverflex — Coverflex is on a mission to improve the way companies compensate their people, making it more transparent, flexible and easier for everyone to make the most of what they get. Through a fully digital solution, Coverflex helps companies manage every part of compensation beyond salary — benefits, insurance, meal allowance and exclusive discounts —while empowering people to spend on what suits them best.
Swish Robotics — Embodied Intelligence for the Home

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.