Fundraising FoxSina Habibian
Angel network1 people tracked
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Investment thesis
Sina Habibian is an individual investor with a background in physics, machine learning infrastructure, and blockchain engineering (including work at Omada Health, Truebit, and the Ethereum Foundation). He invests in early-stage technology companies, with a strong concentration in crypto and web3 infrastructure such as protocols, wallets, and developer tooling.
Source: firm website, verified Aug 3, 2026.
Team · 1 people
from the firm's websiteWhat they invest in
from 9 of 12 portfolio companiesCrypto & Web3 ×8Fintech ×5Developer Tools ×3Deep Tech ×2AI & Machine Learning ×1Consumer ×1Cybersecurity ×1Data & Infrastructure ×1
HQs:United States×5
Investments · 12 tracked
founders shown can be your intro pathAcross is a blockchain bridge that enables fast token transfers between different blockchain networks.
Crypto & Web3Fintech
Hart Lambur(Founder)in
PartnerSina Habibian· solo GP
Co-investorsBlockchain CapitalCoinbase VenturesHack VCParadigmYAP CapitalEspresso Systems
Etherealize develops financial infrastructure for trading, settlement, and privacy on the Ethereum blockchain, serving institutional clients including banks, asset managers, and hedge funds looking to move assets onchain.
Crypto & Web3Enterprise SoftwareFintechAustin, US
Vivek Raman(Executive Officer)in
PartnerSina Habibian· solo GP
Co-investorsElectric CapitalParadigmEthereum FoundationVitalik Buterin
Flashbots is a research and development organization that mitigates negative externalities from Maximal Extractable Value (MEV) on blockchains, primarily Ethereum, through infrastructure and tools for block building, transaction protection, and MEV distribution.
Crypto & Web3Data & InfrastructureDeveloper ToolsGrand Cayman
Alejo Salles(Director)Philip Alexander Daian(Director)Tianhong Zhen(Director)Robert Miller(Director)
PartnerSina Habibian· solo GP
Co-investorsBig Brain HoldingsBlueYard CapitalDragonflyEthereal Ventures Management Ltd.Fabric VenturesFaction+13 more
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Irreducible builds infrastructure for cryptographic computing, focusing on zero-knowledge proofs and trust mechanisms online.
Crypto & Web3CybersecurityDeep TechHardwareSan Francisco, US
Dr. Radi Cojbasic(Founder)Jim Posen(Founder)in
Co-investorsBain Capital CryptoParadigmBrendan FarmerFenbushi CapitalRobot Ventures
Neynar is a software platform for building games, commerce, agents, and social applications on the Farcaster protocol.
Crypto & Web3Developer ToolsSocialWilmington, US
Manan P(Founder)Rishav (Rish) Mukherji(Founder)
Boarddwr.eth
PartnerSina Habibian· solo GP
Co-investorsCoinbase VenturesHaun VenturesZee Prime CapitalPolymorphic CapitalUnion Square Ventures (USV)Very Serious Ventures
Pantograph is a research lab developing generally intelligent robots using scalable methods.
AI & Machine LearningDeep TechRobotics
PartnerSina Habibian· solo GP
Co-investorsAsylum Ventures
Phantom is a multichain cryptocurrency wallet designed for consumer accessibility and ease of use.
ConsumerCrypto & Web3FintechSan Francisco, US
Chris Kalani(Executive Officer, Director)inBrandon Millman(Founder)inFrancesco Agosti(Founder)in
PartnerSina Habibian· solo GP
Co-investorsParadigmSequoia CapitalJump Capitala16z cryptoAndreessen HorowitzDesigner Fund+6 more
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Privy provides infrastructure for building crypto wallets and moving digital assets, enabling developers to integrate wallet functionality, stablecoin transfers, and automated payment systems into their applications.
Crypto & Web3Developer ToolsFintechBoston, US
Asta L.(Founder)inBen Jabbawy(Executive Officer, Director)
BoardSamuel Clemens(Director)
PartnerSina Habibian· solo GP
Co-investorsArchetypeBitDAOBlueYard CapitalBoxGroupCoinbase VenturesCypress Growth Capital+10 more
Splits provides permissionless financial infrastructure including subaccounts, treasury management, accounting, and payment processing built on cryptographically restricted, self-custodied accounts that require no paperwork or company formation.
Crypto & Web3FintechSaaS
PartnerSina Habibian· solo GP
Co-investorsA.Capital VenturesHAWKTAILLiam Horne
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
RunnerSocketWorld
Portfolio news
latest coverage across their companiesEtherealize · finsmes.com · Sep 3, 2025
Frequently asked questions
- How many investments has Sina Habibian made?
- Sina Habibian has 12 tracked investments, including 1 dated in the last 24 months.
- What sectors does Sina Habibian focus on?
- Sina Habibian focuses on AI & Machine Learning, Crypto & Web3, Data & Infrastructure.
- Who does Sina Habibian co-invest with?
- Sina Habibian most often shares deals with Paradigm, Coinbase Ventures, BlueYard Capital, among 44 tracked co-investors.
Media · Podcasts & interviews
from their channelMichael Nielsen on being a wise optimist about science and technology
Sina Habibian Podcast
Jeffrey Quesnelle on Nous Research, large language models, and the human mind
Sina Habibian Podcast
Alexander Long on Pluralis Research and protocol learning for frontier models
Sina Habibian Podcast
Jim Posen on cryptographic acceleration with Binius
Sina Habibian Podcast
Michael Bentley on Euler, credit, and natural selection
Sina Habibian Podcast
Jake Chervinsky on regulations from first principles
Sina Habibian Podcast
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