Justin “3LAU” Blau
What they invest in
from 20 of 31 portfolio companiesCrypto & Web3 ×14Fintech ×6Creator Economy ×5Developer Tools ×4Media & Entertainment ×4Marketplaces ×3AI & Machine Learning ×2Consumer ×2
HQs:United States×13
Who they back
founder profiles across 18 portfolio companiesFounding team size:solo founder×62 founders×83 founders×14+ founders×3
Where their founders studiedfrom 21 founders with education data
Stanford University ×3Georgia Institute of Technology ×2University of Illinois Urbana-Champaign ×2
Where their founders worked beforefrom 24 founders with career history
Stanford University ×5Coinbase ×4Facebook ×4Google ×2McKinsey & Company ×2Pinterest ×2Uber ×2
Accelerator rootsportfolio companies that came through a program
4 founders hold a PhD · 2 hold an MBA (of 22 with degree data)
Investments · 31 tracked
founders shown can be your intro path
Alchemy is a platform layer that enables developers to build applications on blockchain networks.
Cloud ComputingCrypto & Web3Developer ToolsFintech
Nikil Viswanathan(Co-Founder and CEO)inJoe Lau(Co-Founder and President)
Co-investorsPantera CapitalDCVC (Data Collective)Founders Fund3cubed Venturesa16z cryptoAndreessen Horowitz+20 more
Arbitrum is an Ethereum layer-2 platform using optimistic rollups to offer cheaper, faster transactions and dedicated chains.
Co-investorsCompoundIOSG VenturesParaFi CapitalStandard CryptoWWVentures
Arpeggi (Kits AI) builds AI audio tools for music producers and vocalists, including custom AI singing voice models, vocal isolation, stem separation, pitch correction, and AI mastering.
AI & Machine LearningCreator EconomyMedia & EntertainmentSan Francisco, US
Evan Dhillon(Executive Officer)James Pastan(Executive Officer)
Co-investors1confirmationa16z cryptoAndreessen Horowitz
Audius operates a free music streaming service positioned for artists, labels and fans.
San Francisco, US
Roneil Rumburg(Executive Officer, Director, Promoter)in
Co-investorsAmentum Investment ManagementCoinbase VenturesCollab+CurrencyCultur3 CapitalDeepTech VenturesDria Ventures+8 more
Beacons provides software tools including website hosting, email marketing, and online store capabilities for content creators to manage their businesses in one place.
ConsumerSaaSSocialSan Francisco, US
Neal Jean(Co-founder, CEO)inDavid Zeng(Founder)inJesse Zhang(Founder)in
Co-investors2am VCAmino CapitalAndreessen HorowitzBehind Genius VenturesMantis CapitalNew Commerce Ventures+5 more
Bitcoin.org is an independent open source informational resource dedicated to helping Bitcoin develop sustainably.
Crypto & Web3Fintech
Satoshi NakamotoMartti Malmi
Co-investors1confirmationAdvanced BlockchainBedrockBollinger Investment GroupInnovating CapitalLvna Capital+5 more
San Francisco Web3 wallet and NFT infrastructure company, acquired by Solana wallet Phantom in May 2024.
San Francisco, US
Donald Dinch(Executive Officer, Director)Julian Tescher(Executive Officer)in
BoardSriram Krishnan(Director)inSteve Jang(Director)in
Co-investorsa16z cryptoAndreessen HorowitzCoinbase VenturesKindred VenturesSerena VenturesWinklevoss Capital+2 more
Clubhouse is a social audio platform where users can join live voice conversations and discussions.
Social
Rohan Seth(Founder)in
Co-investorsAndreessen HorowitzColor CapitalDreamers VCGraph VenturesJames Beshara FundKindred Ventures+10 more
Eco supports the developer community for the Eco Protocol, a stablecoin network designed to make money programmable across major blockchains.
Crypto & Web3Developer ToolsFintech
Flare Time Series Oracle (FTSO) is a decentralized oracle service built into the Flare blockchain that delivers fast, secure data feeds for cryptocurrencies, equities, and commodities.
Crypto & Web3Data & InfrastructureDeveloper ToolsFintech
Co-investorsBorderless VentureChronos VenturesSyntax CapitalWintermute
Foundation was a non-custodial platform for NFT trading and creator monetization.
Creator EconomyCrypto & Web3
Kayvon Tehranian(CEO)inElpizo Choi(CTO)inMatthew Vernon(CDO)in
Co-investorsa16z cryptoAndreessen HorowitzDesigner FundDraft Ventures LlcStandard Crypto
Hone is an online clinic offering telehealth consultations, doctor-prescribed medications, and biomarker testing to help aging men and women manage their health.
Digital HealthLongevityMedia & EntertainmentWellness & Fitness
Alba Mertira(Founder)inSaad Alam(Founder)in
Co-investorsEarl Grey CapitalFlucas VenturesKnockout CapitalVibe CapitalRepublic VenturesTribe Capital Firstlook
Karat provides financial products and credit solutions for creators and entrepreneurs.
Creator EconomyFintechLos Angeles, US
Will Kim(Founder)inEric Wei(Founder)in
Co-investorsCoatue ManagementCommerce VenturesNotable CapitalSignalFireUnion Square Ventures (USV)Upper90+4 more
Magic Eden is a crypto trading and entertainment platform that enables users to trade, mint, and collect digital assets including NFTs, tokens, and collectibles across multiple blockchains.
Crypto & Web3GamingMarketplacesSan Francisco, US
Jack Lu(Co-founder & CEO)inSidney Zhang(Co-founder & CTO)inZhuoxun Yin(Co-founder & COO)inZhuojie Zhou(Co-founder & Chief Engineer)inRex Zhou(Founder)inJack L.(Founder)in
Co-investorsAlameda ResearchBitcoin FrontierCoinbase VenturesDraft Ventures LlcElectric CapitalGreylock Partners+9 more
MakersPlace was an NFT marketplace for digital art that operated from 2018 until it wound down in 2025.
Daniel Chu(Founder)in
Co-investorsCoinbase VenturesDraft Ventures LlcPantera CapitalBessemer Venture Partners
Faction is a venture capital firm that invests in cryptocurrency and blockchain projects at the seed and series A stages, focusing on entrepreneurs building fundamental utility across the technology stack.
BiotechCrypto & Web3New York, US
Oren Harnevo(Executive Officer, Director)Ronald Bianchini, Jr.(Executive Officer, Director)Roneil Rumburg(Cofounder)Ohad Finkelstein(Director)SAMUEL HARRISON(Managing Partner)inChristina Calvaneso(Executive Officer)
Co-investorsAccelAdaverseAlephAxeleo CapitalBluebird VenturesBright Pixel Capital+35 more
Courtyard.io is a marketplace and tokenization service that enables users to own and trade physical collectible cards on the blockchain, with options to store them vaulted, sell them, or redeem the NFT for physical delivery.
ConsumerCrypto & Web3MarketplacesMedia & EntertainmentNew York City, US
Devin Finzer(Founder/CEO)inAlex Atallah(Co-Founder & CTO)in
Co-investors1confirmationA.Capital Venturesa16z cryptoAndreessen HorowitzBalaji SrinivasanBlockchain Capital+21 more
Miami, US
Jeremy Wood(Cofounder)Keith Rabois(Co-founder)in
Co-investors1/1 CapitalAtomicBling CapitalFlex Capital PartnersVine VenturesWestern Technology Investment
Solana is a blockchain network designed for high-performance internet capital markets, payments, and cryptocurrency applications.
Crypto & Web3Data & InfrastructureFintechSan Francisco, US
Anatoly Yakovenko(Solana Founder & Solana Labs CEO)inAlan Yu
Co-investors1k(x)1kx500 Globala16z cryptoAbstract VenturesAegis Ventues+37 more
Stem is a Los Angeles music distribution and payments platform that automates royalty splits and payouts for artists and labels.
Milana Lewis(Founder)in
Co-investorsAspect VenturesFourward VenturesKombo VenturesMaC Venture CapitalOwl CapitalSlow Ventures+2 more
Suno is a music creation platform that uses AI to enable users of any skill level to generate songs.
AI & Machine LearningCreator EconomyMedia & EntertainmentNew York, US
Omar Kiyani(Executive Officer, Director, Promoter)inKrishna Mohan(Executive Officer, Director, Promoter)
BoardEddie Kang(Director)
Co-investors359 CapitalAlkeon InnovationForerunner VenturesFounder CollectiveHaystackInspired Capital+7 more
SuperRare is a marketplace for buying, selling, and collecting digital artworks as NFTs, where artists release unique pieces and limited editions.
Creator EconomyCrypto & Web3Marketplaces
Co-investors1confirmationCollab+CurrencyDeepTech VenturesNarcissus VenturesRed Beard VenturesSamsung Next+1 more
Tari is a cryptocurrency designed for fast, secure transactions with an emphasis on ease of use for mainstream audiences.
Crypto & Web3
Co-investorsAspect VenturesBase Venture Management, Inc.Collab+CurrencyFuture Perfect VenturesJames Beshara FundMulticoin Capital+4 more
ethereum.org is a public, open-source educational resource and community portal for the Ethereum blockchain network, maintained by a core team and thousands of global contributors.
Crypto & Web3Developer ToolsEdTech
Aya Miyaguchiin
Co-investors1confirmationAdvanced BlockchainBaseTwoBloccelerate VCBollinger Investment GroupCollab+Currency+20 more
XDEFI, rebranding to Ctrl, offers a self-custody crypto wallet available as a Chrome extension and iOS/Android apps.
Crypto & Web3
Emile Dubié(Founder)in
Co-investorsGenblock CapitalPlay VenturesRyze Labs
Yuga Labs is the company behind the Bored Ape Yacht Club (BAYC) NFT collection and ApeCoin (APE).
Co-investorsA.Capital Venturesa16z cryptoAlpha Wave GlobalAndreessen HorowitzArcane GroupNarcissus Ventures+5 more
Zora is a creator-economy crypto protocol and Ethereum Layer 2 network for publishing, trading and collecting media onchain.
New York City, US
Jacob Horne(Cofounder)Dee Goens(Founder)inJacob H(Founder)Slava Kim(Founder)in
Co-investorsBalaji SrinivasanDraft Ventures LlcHaun VenturesParadigmVariant FundVillage Global+1 more
Portfolio news
latest coverage across their companies
Arbitrum · blog.arbitrum.foundation · Aug 26, 2026
Bitcoin · cryptobriefing.com · Aug 21, 2026
OpenSea · protos.com · Aug 17, 2026
Foundation · wellsvillesun.com · Jul 17, 2026
Suno · cryptobriefing.com · Jul 17, 2026
Alchemy · stocktitan.net · Jul 16, 2026
Nominal · medicalbuyer.co.in · Jul 14, 2026
Clubhouse · fingerlakesdailynews.com · Jul 14, 2026
Frequently asked questions
- How many investments has Justin “3LAU” Blau made?
- Justin “3LAU” Blau has 31 tracked investments, 2 of which have exited via acquisition or IPO.
- What sectors does Justin “3LAU” Blau focus on?
- Justin “3LAU” Blau focuses on Crypto & Web3.
- Who does Justin “3LAU” Blau co-invest with?
- Justin “3LAU” Blau most often shares deals with Andreessen Horowitz, Standard Crypto, a16z crypto, among 193 tracked co-investors.
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