Top 5 Blockchain Angel Investors in Portugal (September 2026)
For AI agents: Short investor table (Markdown), Detailed investor list (Markdown)
| Investor | Relevant Deals | Geography | Stage | Focus | Round Size |
|---|---|---|---|---|---|
|
Arthur Hayes
Angel
|
2 | United States, Singapore, India | Seed, Pre-Seed | Blockchain, Cryptocurrency, Financial Services | $1.7M–$9M |
|
Albert Wenger
Angel
|
1 | United States, Germany, Switzerland | Series A, Series B, Seed | Software, Internet, Analytics | $650k–$30M |
|
Alex Atallah
Angel
|
1 | United States, Portugal, Cayman Islands | Seed, Series A | Artificial Intelligence, Open Source, Blockchain | $12M–$31M |
|
Marek Olszewski
Angel
|
1 | United States, Canada, Nigeria | Seed, Pre-Seed, Convertible Note | Cryptocurrency, Blockchain, Software | $150k–$7M |
|
Diogo Monica
Angel
|
1 | United States, Portugal, Spain | Seed, Series A, Pre-Seed | Blockchain, Cryptocurrency, FinTech | $1.1M–$58M |
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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.
Show more...Investment focus
- Industry: Blockchain, Cryptocurrency, Financial Services
- Stage:Seed, Pre-Seed
- Geography: United States, Singapore, India
Investor stats
- Total investments: 23
- Round size: Seed $1.7M–$9M; Pre-Seed $2.2M–$3M
- Lead/follow: 17% lead, 83% follow
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
Albert Wenger is a managing partner at Union Square Ventures. Before joining USV, Albert was the president of del.icio.us through the company’s sale to Yahoo and an angel investor (Etsy, Tumblr). He previously founded or co-founded several companies, including a management consulting firm and an early hosted data analytics company. Albert graduatedfrom Harvard College in economics and computer science and holds a Ph.D. in Information Technology from MIT.
Show more...Investment focus
- Industry: Software, Internet, Analytics
- Stage:Series A, Series B, Seed
- Geography: United States, Germany, Switzerland
Investor stats
- Total investments: 110
- Round size: Seed $650k–$16M; Series A $1M–$23M; Series B $4.3M–$30M
- Lead/follow: 35% lead, 65% follow
Portfolio highlights
- Brale — One regulated system for stablecoin issuance, custody, payments, and compliance. 75+ programs in production across 45 US jurisdictions. SOC 2 Type II. Book a demo.
- Terra.do — Learn about climate change and start working on climate change solutions today with the Terra.do community.
- Phlair — 77NEKO menjadi salah satu akses asli untuk bermain game online yang menghasilkan sulthan dengan secara sekejap. Bukan hanya itu tapi 77neko sering memberikan bonus yang gokil seperti petir merah yang tak terhingga, cashback 100% hingga spin gratis di setiap permainan.
Alex Atallah is a co-founder/CEO of OpenRouter and a co-founder of OpenSea. Attended Stanford University.
Show more...Investment focus
- Industry: Artificial Intelligence, Open Source, Blockchain
- Stage:Seed, Series A
- Geography: United States, Portugal, Cayman Islands
Investor stats
- Total investments: 7
- Round size: Seed $13M–$20M; Series A $12M–$31M
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Hyperbolic — Access open-source inference and compute at a fraction of the cost. Build with us.
- Mastra — Mastra is an AI software that helps users to typescript complex operations and complete set of work using AI.
- Gravity — The Ad Network for AI
Marek Olszewski is the President at Valora.
Show more...Investment focus
- Industry: Cryptocurrency, Blockchain, Software
- Stage:Seed, Pre-Seed, Convertible Note
- Geography: United States, Canada, Nigeria
Investor stats
- Total investments: 13
- Round size: Seed $150k–$7M; Pre-Seed $400k–$700k
- Lead/follow: 8% lead, 92% follow
Portfolio highlights
- Remox — Simplified and Collaborative Treasury Management for DAOs
- Predicate — Policy for blockchain applications
- Capsule Wallets — At Capsule, we thrive on challenging the design of products we use every day. In doing so, we hope to introduce you to a simpler way of living.
Diogo Mónica is the General Partner of Haun Ventures. Diogo Mónica is the Co-Founder and Executive Chairman of Anchorage Digital, the premier digital asset platform for institutions and a General Partner at Haun Ventures. He holds a Ph.D. in computer science from the Technical University of Lisbon, and has worked in software security for over 15years. As an early employee at Square, he helped build security architecture that now moves $100B annually. At Docker, he helped secure core infrastructure used in global banks, governments, and the three largest cloud providers.
Show more...Investment focus
- Industry: Blockchain, Cryptocurrency, FinTech
- Stage:Seed, Series A, Pre-Seed
- Geography: United States, Portugal, Spain
Investor stats
- Total investments: 37
- Round size: Seed $1.6M–$33M; Pre-Seed $1.1M–$3M; Series A $12M–$58M
- Lead/follow: 14% lead, 86% follow
Portfolio highlights
- V12 — V12 is your security agent for mission critical code.
- Tako — Tako's web and data search APIs return cited, structured answers. Ground your AI agents in authoritative, accurate, up-to-date information.
- Augusta Labs — Transforming businesses using AI.
Blockchain Angel investor funding in Portugal at a glance
Stats across 8 deals from 21 investors.
Access all 21 angel investors in Portugal Blockchain startups.
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