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Top 5 Payments Angel Investors in Portugal in April 2025

Last updated: Apr 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 April 2025

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

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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.

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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.

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Investment focus

Gaming, Blockchain, Video Games
Seed
Portugal

Portfolio highlights

METAMORPH — Blockchain gaming company

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.

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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.

Nuno Job is the co-founder of Decipad.

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Investment focus

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

Portfolio highlights

Upstash — Upstash is a serverless data platform providing low latency and high scalability for real-time applications. Optimize your data infrastructure with Upstash's managed services for Redis, Vector, QStash, and other key data technologies.
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.

The Crypto Dog is an angle investor.

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Investment focus

Cryptocurrency, Blockchain, Bitcoin
Seed, Funding Round
United States, Portugal

Portfolio highlights

Botanix Labs — Botanix Labs is a fully Ethereum-equivalent second-layer virtual machine built on top of Bitcoin. It unites Bitcoin's market cap with Ethereum's dApp ecosystem to meet its diverse applications, igniting a new frontier.
Nametag — Nametag is a digital collector lens to search the internet for collectors, view their NFTs and Nokens, and badges.
Pichi Finance — Pichi Finance Points are typically stored off-chain and linked to wallet addresses, limiting their tradability on the open market.

Investors by industry

Artificial intelligence

Venture Capital

Food and Beverage

Financial Services

Enterprise Software

Mobile Advertising

Wine And Spirits

Renewable Energy

Agriculture (agtech)

Machine Learning

Media (entertainment)

Investors by country

Russian Federation

Dominican Republic

United Arab Emirates

Marshall Islands

Angel Investors in Portugal by industry

Financial Services

Artificial intelligence

Food and Beverage

Media (entertainment)

Machine Learning